158942645844 has 24 divisors (see below), whose sum is σ = 382829599488. Its totient is φ = 51271821120.

The previous prime is 158942645833. The next prime is 158942645857. The reversal of 158942645844 is 448546249851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213632217 + ... + 213632960.

It is an arithmetic number, because the mean of its divisors is an integer number (15951233312).

Almost surely, 2^158942645844 is an apocalyptic number.

It is an amenable number.

158942645844 is an abundant number, since it is smaller than the sum of its proper divisors (223886953644).

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

158942645844 is a wasteful number, since it uses less digits than its factorization.

158942645844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427265215 (or 427265213 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 60.

The spelling of 158942645844 in words is "one hundred fifty-eight billion, nine hundred forty-two million, six hundred forty-five thousand, eight hundred forty-four".