230532156 has 36 divisors (see below), whose sum is σ = 604319352. Its totient is φ = 76843728.

The previous prime is 230532109. The next prime is 230532157. The reversal of 230532156 is 651235032.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230532157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117615 + ... + 119558.

Almost surely, 2^230532156 is an apocalyptic number.

It is an amenable number.

230532156 is an abundant number, since it is smaller than the sum of its proper divisors (373787196).

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

230532156 is a wasteful number, since it uses less digits than its factorization.

230532156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237192 (or 237178 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 230532156 is about 15183.2854152189. The cubic root of 230532156 is about 613.1647369246.

Adding to 230532156 its reverse (651235032), we get a palindrome (881767188).

The spelling of 230532156 in words is "two hundred thirty million, five hundred thirty-two thousand, one hundred fifty-six".