225042 has 8 divisors (see below), whose sum is σ = 450096. Its totient is φ = 75012.

The previous prime is 225037. The next prime is 225061. The reversal of 225042 is 240522.

It is a sphenic number, since it is the product of 3 distinct primes.

225042 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

225042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18748 + ... + 18759.

It is an arithmetic number, because the mean of its divisors is an integer number (56262).

2²²⁵⁰⁴² is an apocalyptic number.

225042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225042 is a wasteful number, since it uses less digits than its factorization.

225042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37512.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 225042 is about 474.3859188467. The cubic root of 225042 is about 60.8258042015.

Adding to 225042 its reverse (240522), we get a palindrome (465564).

The spelling of 225042 in words is "two hundred twenty-five thousand, forty-two".