#include<stdio.h>

int GetFactorial(int number);
main()
{
int num,i,j,temp,sum=0;;
printf("Enter a number to know whether it is armstrong or not\n");
scanf("%d",&num);
temp=num;
while(num>0)
{
i=num%10;
sum+=GetFactorial(i);
num=num/10;
}
if(sum==temp)
{
printf("Given number %d is an Strong number\n",temp);
}
else
{
printf("Given number %d is not an Strong number since the sum of factorials of individual digits is %d\n",temp,sum);
}
}

int GetFactorial(int number)
{
int factorial=1,i;
for(i=1;i<=number;i++)
{
factorial=factorial*i;
}
return factorial;
}
     
           
Note: Need to be arranged in compiler after copied
   

 OutPut 1:

Enter a number to know whether it is armstrong or not 145 Given number 145 is an Strong number
 
   

 OutPut 2:

Enter a number to know whether it is armstrong or not 153 Given number 153 is not an Strong number since the sum of factorials of individual digits is 127