158864132 has 12 divisors (see below), whose sum is σ = 317728320. Its totient is φ = 68084616.

The previous prime is 158864131. The next prime is 158864141. The reversal of 158864132 is 231468851.

158864132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

158864132 is an admirable number.

It is a super-2 number, since 2×158864132² = 50475624872226848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158864131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836832 + ... + 2836887.

It is an arithmetic number, because the mean of its divisors is an integer number (26477360).

Almost surely, 2^158864132 is an apocalyptic number.

It is an amenable number.

158864132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158864132 is a wasteful number, since it uses less digits than its factorization.

158864132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673730 (or 5673728 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 158864132 is about 12604.1315448546. The cubic root of 158864132 is about 541.5957961822.

The spelling of 158864132 in words is "one hundred fifty-eight million, eight hundred sixty-four thousand, one hundred thirty-two".