156080 has 20 divisors (see below), whose sum is σ = 363072. Its totient is φ = 62400.

The previous prime is 156071. The next prime is 156089. The reversal of 156080 is 80651.

It is an interprime number because it is at equal distance from previous prime (156071) and next prime (156089).

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (156089) by changing a digit.

156080 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, 896 + ... + 1055.

2¹⁵⁶⁰⁸⁰ is an apocalyptic number.

156080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156080 is an abundant number, since it is smaller than the sum of its proper divisors (206992).

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

156080 is a wasteful number, since it uses less digits than its factorization.

156080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 156080 is about 395.0696141188. The cubic root of 156080 is about 53.8413266212.

The spelling of 156080 in words is "one hundred fifty-six thousand, eighty".