159912 has 24 divisors (see below), whose sum is σ = 433290. Its totient is φ = 53280.

The previous prime is 159911. The next prime is 159931. The reversal of 159912 is 219951.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125316 + 34596 = 354^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (159911) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1039 + ... + 1182.

2¹⁵⁹⁹¹² is an apocalyptic number.

159912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159912 is an abundant number, since it is smaller than the sum of its proper divisors (273378).

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

159912 is a wasteful number, since it uses less digits than its factorization.

159912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2226 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 159912 is about 399.8899848708. The cubic root of 159912 is about 54.2783976421.

The spelling of 159912 in words is "one hundred fifty-nine thousand, nine hundred twelve".