57077145 has 24 divisors (see below), whose sum is σ = 103237056. Its totient is φ = 29117088.

The previous prime is 57077101. The next prime is 57077147. The reversal of 57077145 is 54177075.

57077145 is a `hidden beast` number, since 570 + 77 + 14 + 5 = 666.

It is not a de Polignac number, because 57077145 - 2⁸ = 57076889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57077147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26539 + ... + 28608.

It is an arithmetic number, because the mean of its divisors is an integer number (4301544).

Almost surely, 2^57077145 is an apocalyptic number.

It is an amenable number.

57077145 is a deficient number, since it is larger than the sum of its proper divisors (46159911).

57077145 is a wasteful number, since it uses less digits than its factorization.

57077145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55181 (or 55178 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 57077145 is about 7554.9417601991. The cubic root of 57077145 is about 385.0236562740.

The spelling of 57077145 in words is "fifty-seven million, seventy-seven thousand, one hundred forty-five".