158815427 has 16 divisors (see below), whose sum is σ = 167106240. Its totient is φ = 150796800.

The previous prime is 158815421. The next prime is 158815441. The reversal of 158815427 is 724518851.

It is a cyclic number.

It is not a de Polignac number, because 158815427 - 2⁸ = 158815171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158815421) 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, 258773 + ... + 259385.

It is an arithmetic number, because the mean of its divisors is an integer number (10444140).

Almost surely, 2^158815427 is an apocalyptic number.

158815427 is a deficient number, since it is larger than the sum of its proper divisors (8290813).

158815427 is an equidigital number, since it uses as much as digits as its factorization.

158815427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its digits is 89600, while the sum is 41.

The square root of 158815427 is about 12602.1992921871. The cubic root of 158815427 is about 541.5404425516.

The spelling of 158815427 in words is "one hundred fifty-eight million, eight hundred fifteen thousand, four hundred twenty-seven".