285345244 has 12 divisors (see below), whose sum is σ = 503000064. Its totient is φ = 141630944.

The previous prime is 285345223. The next prime is 285345257. The reversal of 285345244 is 442543582.

285345244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259804 + ... + 260899.

It is an arithmetic number, because the mean of its divisors is an integer number (41916672).

Almost surely, 2^285345244 is an apocalyptic number.

It is an amenable number.

285345244 is a deficient number, since it is larger than the sum of its proper divisors (217654820).

285345244 is a wasteful number, since it uses less digits than its factorization.

285345244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520844 (or 520842 counting only the distinct ones).

The product of its digits is 153600, while the sum is 37.

The square root of 285345244 is about 16892.1651661355. The cubic root of 285345244 is about 658.3500599428.

The spelling of 285345244 in words is "two hundred eighty-five million, three hundred forty-five thousand, two hundred forty-four".