158512 has 10 divisors (see below), whose sum is σ = 307148. Its totient is φ = 79248.

The previous prime is 158507. The next prime is 158519. The reversal of 158512 is 215851.

It is not an unprimeable number, because it can be changed into a prime (158519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938 + ... + 4969.

2¹⁵⁸⁵¹² is an apocalyptic number.

It is an amenable number.

158512 is a deficient number, since it is larger than the sum of its proper divisors (148636).

158512 is an equidigital number, since it uses as much as digits as its factorization.

158512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9915 (or 9909 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 158512 is about 398.1356552734. The cubic root of 158512 is about 54.1195340163.

The spelling of 158512 in words is "one hundred fifty-eight thousand, five hundred twelve".