158557223 has 16 divisors (see below), whose sum is σ = 183047040. Its totient is φ = 135828000.

The previous prime is 158557207. The next prime is 158557229. The reversal of 158557223 is 322755851.

158557223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158557223 - 2⁴ = 158557207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158557229) 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, 39248 + ... + 43098.

It is an arithmetic number, because the mean of its divisors is an integer number (11440440).

Almost surely, 2^158557223 is an apocalyptic number.

158557223 is a deficient number, since it is larger than the sum of its proper divisors (24489817).

158557223 is a wasteful number, since it uses less digits than its factorization.

158557223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078.

The product of its digits is 84000, while the sum is 38.

The square root of 158557223 is about 12591.9507225846. The cubic root of 158557223 is about 541.2468024069.

The spelling of 158557223 in words is "one hundred fifty-eight million, five hundred fifty-seven thousand, two hundred twenty-three".