158982538 has 64 divisors (see below), whose sum is σ = 312439680. Its totient is φ = 59443200.

The previous prime is 158982503. The next prime is 158982547. The reversal of 158982538 is 835289851.

158982538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158982491 and 158982500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91518 + ... + 93238.

It is an arithmetic number, because the mean of its divisors is an integer number (4881870).

Almost surely, 2^158982538 is an apocalyptic number.

158982538 is a deficient number, since it is larger than the sum of its proper divisors (153457142).

158982538 is a wasteful number, since it uses less digits than its factorization.

158982538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its digits is 691200, while the sum is 49.

The square root of 158982538 is about 12608.8277805671. The cubic root of 158982538 is about 541.7303184003.

The spelling of 158982538 in words is "one hundred fifty-eight million, nine hundred eighty-two thousand, five hundred thirty-eight".