57665145 has 8 divisors (see below), whose sum is σ = 92264256. Its totient is φ = 30754736.

The previous prime is 57665089. The next prime is 57665149. The reversal of 57665145 is 54156675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57665145 - 2⁷ = 57665017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57665149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922157 + ... + 1922186.

It is an arithmetic number, because the mean of its divisors is an integer number (11533032).

Almost surely, 2^57665145 is an apocalyptic number.

It is an amenable number.

57665145 is a deficient number, since it is larger than the sum of its proper divisors (34599111).

57665145 is a wasteful number, since it uses less digits than its factorization.

57665145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844351.

The product of its digits is 126000, while the sum is 39.

The square root of 57665145 is about 7593.7569753054. The cubic root of 57665145 is about 386.3412934463.

The spelling of 57665145 in words is "fifty-seven million, six hundred sixty-five thousand, one hundred forty-five".