158642982 has 32 divisors (see below), whose sum is σ = 354924000. Its totient is φ = 52523424.

The previous prime is 158642977. The next prime is 158642993. The reversal of 158642982 is 289246851.

158642982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1813 + ... + 17904.

It is an arithmetic number, because the mean of its divisors is an integer number (11091375).

Almost surely, 2^158642982 is an apocalyptic number.

158642982 is an abundant number, since it is smaller than the sum of its proper divisors (196281018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158642982 is a wasteful number, since it uses less digits than its factorization.

158642982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19877 (or 19871 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 158642982 is about 12595.3555725910. The cubic root of 158642982 is about 541.3443663813.

The spelling of 158642982 in words is "one hundred fifty-eight million, six hundred forty-two thousand, nine hundred eighty-two".