57144 has 16 divisors (see below), whose sum is σ = 142920. Its totient is φ = 19040.

The previous prime is 57143. The next prime is 57149. The reversal of 57144 is 44175.

It is a self number, because there is not a number n which added to its sum of digits gives 57144.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 57144.

It is not an unprimeable number, because it can be changed into a prime (57143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167 + ... + 1214.

2⁵⁷¹⁴⁴ is an apocalyptic number.

It is an amenable number.

57144 is an abundant number, since it is smaller than the sum of its proper divisors (85776).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71460).

57144 is a wasteful number, since it uses less digits than its factorization.

57144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390 (or 2386 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 57144 is about 239.0481123121. The cubic root of 57144 is about 38.5173924903.

The spelling of 57144 in words is "fifty-seven thousand, one hundred forty-four".