158379812 has 6 divisors (see below), whose sum is σ = 277164678. Its totient is φ = 79189904.

The previous prime is 158379787. The next prime is 158379821. The reversal of 158379812 is 218973851.

It can be written as a sum of positive squares in only one way, i.e., 154355776 + 4024036 = 12424^2 + 2006^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19797473 + ... + 19797480.

It is an arithmetic number, because the mean of its divisors is an integer number (46194113).

Almost surely, 2^158379812 is an apocalyptic number.

It is an amenable number.

158379812 is a deficient number, since it is larger than the sum of its proper divisors (118784866).

158379812 is a wasteful number, since it uses less digits than its factorization.

158379812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39594957 (or 39594955 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 158379812 is about 12584.9041315379. The cubic root of 158379812 is about 541.0448585479.

The spelling of 158379812 in words is "one hundred fifty-eight million, three hundred seventy-nine thousand, eight hundred twelve".