156565230 has 32 divisors (see below), whose sum is σ = 376095744. Its totient is φ = 41713056.

The previous prime is 156565147. The next prime is 156565231. The reversal of 156565230 is 32565651.

It is a junction number, because it is equal to n+sod(n) for n = 156565191 and 156565200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156565231) 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, 52027 + ... + 54953.

It is an arithmetic number, because the mean of its divisors is an integer number (11752992).

Almost surely, 2^156565230 is an apocalyptic number.

156565230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156565230 is an abundant number, since it is smaller than the sum of its proper divisors (219530514).

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

156565230 is a wasteful number, since it uses less digits than its factorization.

156565230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 156565230 is about 12512.6028467302. The cubic root of 156565230 is about 538.9706385035.

It can be divided in two parts, 1565 and 65230, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 156565230 in words is "one hundred fifty-six million, five hundred sixty-five thousand, two hundred thirty".