285337152 has 42 divisors (see below), whose sum is σ = 817869078. Its totient is φ = 95112192.

The previous prime is 285337147. The next prime is 285337153. The reversal of 285337152 is 251733582.

It is a happy number.

285337152 is a `hidden beast` number, since 2 + 8 + 533 + 71 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150405696 + 134931456 = 12264^2 + 11616^2 .

It is a super-2 number, since 2×285337152² = 162834580622942208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (285337153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247113 + ... + 248264.

Almost surely, 2^285337152 is an apocalyptic number.

It is an amenable number.

285337152 is an abundant number, since it is smaller than the sum of its proper divisors (532531926).

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

285337152 is a wasteful number, since it uses less digits than its factorization.

285337152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495395 (or 495382 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 285337152 is about 16891.9256451122. The cubic root of 285337152 is about 658.3438365822.

The spelling of 285337152 in words is "two hundred eighty-five million, three hundred thirty-seven thousand, one hundred fifty-two".