158874831 has 8 divisors (see below), whose sum is σ = 235370160. Its totient is φ = 105916536.

The previous prime is 158874829. The next prime is 158874839. The reversal of 158874831 is 138478851.

It is a happy number.

It is not a de Polignac number, because 158874831 - 2¹ = 158874829 is a prime.

It is a super-2 number, since 2×158874831² = 50482423850557122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158874839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2942100 + ... + 2942153.

It is an arithmetic number, because the mean of its divisors is an integer number (29421270).

Almost surely, 2^158874831 is an apocalyptic number.

158874831 is a deficient number, since it is larger than the sum of its proper divisors (76495329).

158874831 is an equidigital number, since it uses as much as digits as its factorization.

158874831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884262 (or 5884256 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 158874831 is about 12604.5559620321. Note that the first 3 decimals coincide. The cubic root of 158874831 is about 541.6079541675.

The spelling of 158874831 in words is "one hundred fifty-eight million, eight hundred seventy-four thousand, eight hundred thirty-one".