158872990 has 16 divisors (see below), whose sum is σ = 302793552. Its totient is φ = 59810944.

The previous prime is 158872979. The next prime is 158872997. The reversal of 158872990 is 99278851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158872997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467104 + ... + 467443.

It is an arithmetic number, because the mean of its divisors is an integer number (18924597).

Almost surely, 2^158872990 is an apocalyptic number.

158872990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158872990 is a deficient number, since it is larger than the sum of its proper divisors (143920562).

158872990 is a wasteful number, since it uses less digits than its factorization.

158872990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934571.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 158872990 is about 12604.4829326712. The cubic root of 158872990 is about 541.6058621556.

The spelling of 158872990 in words is "one hundred fifty-eight million, eight hundred seventy-two thousand, nine hundred ninety".