57702145 has 16 divisors (see below), whose sum is σ = 73607040. Its totient is φ = 43300224.

The previous prime is 57702143. The next prime is 57702149. The reversal of 57702145 is 54120775.

It is a cyclic number.

It is not a de Polignac number, because 57702145 - 2¹ = 57702143 is a prime.

It is a super-3 number, since 3×57702145³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (57702143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6837 + ... + 12733.

It is an arithmetic number, because the mean of its divisors is an integer number (4600440).

Almost surely, 2^57702145 is an apocalyptic number.

It is an amenable number.

57702145 is a deficient number, since it is larger than the sum of its proper divisors (15904895).

57702145 is a wasteful number, since it uses less digits than its factorization.

57702145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 57702145 is about 7596.1927963948. The cubic root of 57702145 is about 386.4239058669.

The spelling of 57702145 in words is "fifty-seven million, seven hundred two thousand, one hundred forty-five".