285233180 has 24 divisors (see below), whose sum is σ = 599393760. Its totient is φ = 114016320.

The previous prime is 285233173. The next prime is 285233203. The reversal of 285233180 is 81332582.

285233180 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×285233180³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32726 + ... + 40514.

It is an arithmetic number, because the mean of its divisors is an integer number (24974740).

Almost surely, 2^285233180 is an apocalyptic number.

285233180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285233180 is an abundant number, since it is smaller than the sum of its proper divisors (314160580).

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

285233180 is a wasteful number, since it uses less digits than its factorization.

285233180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629 (or 9627 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 285233180 is about 16888.8477996576. The cubic root of 285233180 is about 658.2638637729.

The spelling of 285233180 in words is "two hundred eighty-five million, two hundred thirty-three thousand, one hundred eighty".