158132685 has 16 divisors (see below), whose sum is σ = 257302080. Its totient is φ = 82907520.

The previous prime is 158132671. The next prime is 158132693. The reversal of 158132685 is 586231851.

It is not a de Polignac number, because 158132685 - 2⁴ = 158132669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88456 + ... + 90225.

It is an arithmetic number, because the mean of its divisors is an integer number (16081380).

Almost surely, 2^158132685 is an apocalyptic number.

158132685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158132685 is a deficient number, since it is larger than the sum of its proper divisors (99169395).

158132685 is a wasteful number, since it uses less digits than its factorization.

158132685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178748.

The product of its digits is 57600, while the sum is 39.

The square root of 158132685 is about 12575.0819082819. The cubic root of 158132685 is about 540.7633066795.

The spelling of 158132685 in words is "one hundred fifty-eight million, one hundred thirty-two thousand, six hundred eighty-five".