158362881 has 16 divisors (see below), whose sum is σ = 223084800. Its totient is φ = 99763328.

The previous prime is 158362859. The next prime is 158362901. The reversal of 158362881 is 188263851.

It is not a de Polignac number, because 158362881 - 2⁶ = 158362817 is a prime.

It is a super-2 number, since 2×158362881² = 50157604157240322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158362811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15276 + ... + 23453.

It is an arithmetic number, because the mean of its divisors is an integer number (13942800).

Almost surely, 2^158362881 is an apocalyptic number.

It is an amenable number.

158362881 is a deficient number, since it is larger than the sum of its proper divisors (64721919).

158362881 is a wasteful number, since it uses less digits than its factorization.

158362881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38808.

The product of its digits is 92160, while the sum is 42.

The square root of 158362881 is about 12584.2314425633. The cubic root of 158362881 is about 541.0255784035.

The spelling of 158362881 in words is "one hundred fifty-eight million, three hundred sixty-two thousand, eight hundred eighty-one".