57297145 has 8 divisors (see below), whose sum is σ = 70974720. Its totient is φ = 44358960.

The previous prime is 57297139. The next prime is 57297161. The reversal of 57297145 is 54179275.

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

It is not a de Polignac number, because 57297145 - 2³ = 57297137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57297098 and 57297107.

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, 184675 + ... + 184984.

It is an arithmetic number, because the mean of its divisors is an integer number (8871840).

Almost surely, 2^57297145 is an apocalyptic number.

It is an amenable number.

57297145 is a deficient number, since it is larger than the sum of its proper divisors (13677575).

57297145 is a wasteful number, since it uses less digits than its factorization.

57297145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369695.

The product of its digits is 88200, while the sum is 40.

The square root of 57297145 is about 7569.4877633827. The cubic root of 57297145 is about 385.5177046166.

The spelling of 57297145 in words is "fifty-seven million, two hundred ninety-seven thousand, one hundred forty-five".