158397183 has 12 divisors (see below), whose sum is σ = 261481168. Its totient is φ = 90512640.

The previous prime is 158397139. The next prime is 158397193. The reversal of 158397183 is 381793851.

It is not a de Polignac number, because 158397183 - 2⁶ = 158397119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158397103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1257058 + ... + 1257183.

Almost surely, 2^158397183 is an apocalyptic number.

158397183 is a deficient number, since it is larger than the sum of its proper divisors (103083985).

158397183 is a wasteful number, since it uses less digits than its factorization.

158397183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514254 (or 2514251 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 158397183 is about 12585.5942648728. The cubic root of 158397183 is about 541.0646383134.

The spelling of 158397183 in words is "one hundred fifty-eight million, three hundred ninety-seven thousand, one hundred eighty-three".