57045445 has 8 divisors (see below), whose sum is σ = 69094944. Its totient is φ = 45209424.

The previous prime is 57045433. The next prime is 57045449. The reversal of 57045445 is 54454075.

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 57045445 - 2⁵ = 57045413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57045445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57045449) 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, 52779 + ... + 53848.

It is an arithmetic number, because the mean of its divisors is an integer number (8636868).

Almost surely, 2^57045445 is an apocalyptic number.

It is an amenable number.

57045445 is a deficient number, since it is larger than the sum of its proper divisors (12049499).

57045445 is a wasteful number, since it uses less digits than its factorization.

57045445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106739.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 57045445 is about 7552.8435042704. The cubic root of 57045445 is about 384.9523638144.

The spelling of 57045445 in words is "fifty-seven million, forty-five thousand, four hundred forty-five".