57145746 has 16 divisors (see below), whose sum is σ = 130618944. Its totient is φ = 16327344.

The previous prime is 57145733. The next prime is 57145771. The reversal of 57145746 is 64754175.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680265 + ... + 680348.

It is an arithmetic number, because the mean of its divisors is an integer number (8163684).

Almost surely, 2^57145746 is an apocalyptic number.

57145746 is an abundant number, since it is smaller than the sum of its proper divisors (73473198).

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

57145746 is a wasteful number, since it uses less digits than its factorization.

57145746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360625.

The product of its digits is 117600, while the sum is 39.

The square root of 57145746 is about 7559.4805377089. The cubic root of 57145746 is about 385.1778477808.

The spelling of 57145746 in words is "fifty-seven million, one hundred forty-five thousand, seven hundred forty-six".