How to print reverse number

//How to print reverse number

#include<stdio.h>
#include<conio.h>

void main()
{
  int number,reverse_number,rem;
  int i,number_of_digit;
  clrscr();
  printf("Enter the number:");
  scanf("%d",&number);
  printf("Enter the number of digits you entered number:");
  scanf("%d",&number_of_digit);
  reverse_number=0;
 
  for(i=0;i < number_of_digit;i++)
  {
   rem=number%10;
   number=number/10;
   reverse_number=reverse_number*10+rem;
  }
  printf("Reverse number:%d",reverse_number);
  getch();
}

Output:

Enter the number:542
Enter the number of digits you entered number:3
Reverse number:245