158009930 has 24 divisors (see below), whose sum is σ = 307982412. Its totient is φ = 58341504.

The previous prime is 158009857. The next prime is 158009939. The reversal of 158009930 is 39900851.

It can be written as a sum of positive squares in 6 ways, for example, as 37075921 + 120934009 = 6089^2 + 10997^2 .

It is not an unprimeable number, because it can be changed into a prime (158009939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45059 + ... + 48438.

Almost surely, 2^158009930 is an apocalyptic number.

158009930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158009930 is a deficient number, since it is larger than the sum of its proper divisors (149972482).

158009930 is a wasteful number, since it uses less digits than its factorization.

158009930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93530 (or 93517 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 158009930 is about 12570.2000779622. The cubic root of 158009930 is about 540.6233428174.

The spelling of 158009930 in words is "one hundred fifty-eight million, nine thousand, nine hundred thirty".