158980 has 12 divisors (see below), whose sum is σ = 333900. Its totient is φ = 63584.

The previous prime is 158959. The next prime is 158981. The reversal of 158980 is 89851.

It can be written as a sum of positive squares in 2 ways, for example, as 66564 + 92416 = 258^2 + 304^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158981) by changing a digit.

158980 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955 + ... + 3994.

It is an arithmetic number, because the mean of its divisors is an integer number (27825).

2¹⁵⁸⁹⁸⁰ is an apocalyptic number.

158980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158980 is an abundant number, since it is smaller than the sum of its proper divisors (174920).

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

158980 is a wasteful number, since it uses less digits than its factorization.

158980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958 (or 7956 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 158980 is about 398.7229614657. The cubic root of 158980 is about 54.1727435654.

The spelling of 158980 in words is "one hundred fifty-eight thousand, nine hundred eighty".