156444 has 12 divisors (see below), whose sum is σ = 365064. Its totient is φ = 52144.

The previous prime is 156437. The next prime is 156467. The reversal of 156444 is 444651.

It is a tau number, because it is divible by the number of its divisors (12).

156444 is a modest number, since divided by 444 gives 156 as remainder.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6507 + ... + 6530.

It is an arithmetic number, because the mean of its divisors is an integer number (30422).

2¹⁵⁶⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

156444 is an abundant number, since it is smaller than the sum of its proper divisors (208620).

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

156444 is a wasteful number, since it uses less digits than its factorization.

156444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044 (or 13042 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 156444 is about 395.5300241448. The cubic root of 156444 is about 53.8831492492.

The spelling of 156444 in words is "one hundred fifty-six thousand, four hundred forty-four".