285163232 has 24 divisors (see below), whose sum is σ = 562287096. Its totient is φ = 142360192.

The previous prime is 285163231. The next prime is 285163237. The reversal of 285163232 is 232361582.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285163231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15083 + ... + 28245.

It is an arithmetic number, because the mean of its divisors is an integer number (23428629).

Almost surely, 2^285163232 is an apocalyptic number.

It is an amenable number.

285163232 is a deficient number, since it is larger than the sum of its proper divisors (277123864).

285163232 is a wasteful number, since it uses less digits than its factorization.

285163232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13850 (or 13842 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 285163232 is about 16886.7768386984. The cubic root of 285163232 is about 658.2100504857.

The spelling of 285163232 in words is "two hundred eighty-five million, one hundred sixty-three thousand, two hundred thirty-two".