158538912 has 72 divisors (see below), whose sum is σ = 484124256. Its totient is φ = 45295488.

The previous prime is 158538901. The next prime is 158538949. The reversal of 158538912 is 219835851.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12148 + ... + 21555.

It is an arithmetic number, because the mean of its divisors is an integer number (6723948).

Almost surely, 2^158538912 is an apocalyptic number.

158538912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158538912 is an abundant number, since it is smaller than the sum of its proper divisors (325585344).

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

158538912 is a wasteful number, since it uses less digits than its factorization.

158538912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33730 (or 33715 counting only the distinct ones).

The product of its digits is 86400, while the sum is 42.

The square root of 158538912 is about 12591.2236101183. The cubic root of 158538912 is about 541.2259662873.

The spelling of 158538912 in words is "one hundred fifty-eight million, five hundred thirty-eight thousand, nine hundred twelve".