156189252 has 24 divisors (see below), whose sum is σ = 366767296. Its totient is φ = 51730848.

The previous prime is 156189239. The next prime is 156189269. The reversal of 156189252 is 252981651.

It is a self number, because there is not a number n which added to its sum of digits gives 156189252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39568 + ... + 43335.

Almost surely, 2^156189252 is an apocalyptic number.

156189252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156189252 is an abundant number, since it is smaller than the sum of its proper divisors (210578044).

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

156189252 is a wasteful number, since it uses less digits than its factorization.

156189252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83067 (or 83065 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 156189252 is about 12497.5698437736. The cubic root of 156189252 is about 538.5388620742.

The spelling of 156189252 in words is "one hundred fifty-six million, one hundred eighty-nine thousand, two hundred fifty-two".