158989922 has 16 divisors (see below), whose sum is σ = 293520192. Its totient is φ = 62897040.

The previous prime is 158989889. The next prime is 158989927. The reversal of 158989922 is 229989851.

It is not an unprimeable number, because it can be changed into a prime (158989927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436604 + ... + 436967.

It is an arithmetic number, because the mean of its divisors is an integer number (18345012).

Almost surely, 2^158989922 is an apocalyptic number.

158989922 is a deficient number, since it is larger than the sum of its proper divisors (134530270).

158989922 is a wasteful number, since it uses less digits than its factorization.

158989922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873593.

The product of its digits is 933120, while the sum is 53.

The square root of 158989922 is about 12609.1205878919. The cubic root of 158989922 is about 541.7387052223.

The spelling of 158989922 in words is "one hundred fifty-eight million, nine hundred eighty-nine thousand, nine hundred twenty-two".