57148144 has 10 divisors (see below), whose sum is σ = 110724560. Its totient is φ = 28574064.

The previous prime is 57148141. The next prime is 57148177. The reversal of 57148144 is 44184175.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57148141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785864 + ... + 1785895.

It is an arithmetic number, because the mean of its divisors is an integer number (11072456).

Almost surely, 2^57148144 is an apocalyptic number.

It is an amenable number.

57148144 is a deficient number, since it is larger than the sum of its proper divisors (53576416).

57148144 is a wasteful number, since it uses less digits than its factorization.

57148144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571767 (or 3571761 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 57148144 is about 7559.6391448270. The cubic root of 57148144 is about 385.1832354292.

The spelling of 57148144 in words is "fifty-seven million, one hundred forty-eight thousand, one hundred forty-four".