C Language
#include<stdio.h>
#include<conio.h>
void main( )
{
int n, r, s = 0;
clrscr( );
printf("Enter any Number = ");
scanf("%d", &n);
while (n > 0) {
r = n % 10;
s = s * 10 + r;
n = n / 10;
}
printf ("Reverse = % d", s);
getch( );
}
/*OUTPUT*/
Enter any Number = 45
Reverse = 54