285345204 has 48 divisors (see below), whose sum is σ = 727727616. Its totient is φ = 86630400.

The previous prime is 285345157. The next prime is 285345209. The reversal of 285345204 is 402543582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285345209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16237 + ... + 28884.

It is an arithmetic number, because the mean of its divisors is an integer number (15160992).

Almost surely, 2^285345204 is an apocalyptic number.

It is an amenable number.

285345204 is an abundant number, since it is smaller than the sum of its proper divisors (442382412).

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

285345204 is a wasteful number, since it uses less digits than its factorization.

285345204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45176 (or 45174 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 285345204 is about 16892.1639821546. The cubic root of 285345204 is about 658.3500291801.

Adding to 285345204 its reverse (402543582), we get a palindrome (687888786).

The spelling of 285345204 in words is "two hundred eighty-five million, three hundred forty-five thousand, two hundred four".