Strong Numbers

Program -

public class Strong{
    
    public static int fact(int x)
    {
        int f = 1;
        for(int i = x; i>1; i--)
        {
            f = f*i;
        }
        return f;
    }
    
     public static void main(String []args){
        int n = 145;
        int copy = n,temp,strong = 0;
        while(n>0)
        {
            temp = n%10;
            strong = strong + fact(temp);
            n = n/10;
        }
        if(copy == strong)
            System.out.println("Yes");
        else
            System.out.println("No");
     }
}

Video explanation -