158512587 has 16 divisors (see below), whose sum is σ = 215319552. Its totient is φ = 103698720.

The previous prime is 158512567. The next prime is 158512597. The reversal of 158512587 is 785215851.

It is not a de Polignac number, because 158512587 - 2¹⁴ = 158496203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158512537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110368 + ... + 111794.

It is an arithmetic number, because the mean of its divisors is an integer number (13457472).

Almost surely, 2^158512587 is an apocalyptic number.

158512587 is a deficient number, since it is larger than the sum of its proper divisors (56806965).

158512587 is a wasteful number, since it uses less digits than its factorization.

158512587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098.

The product of its digits is 112000, while the sum is 42.

The square root of 158512587 is about 12590.1781957207. The cubic root of 158512587 is about 541.1960082115.

It can be divided in two parts, 15851258 and 7, that added together give a triangular number (15851265 = T₅₆₃₀).

The spelling of 158512587 in words is "one hundred fifty-eight million, five hundred twelve thousand, five hundred eighty-seven".