57145523415 has 16 divisors (see below), whose sum is σ = 91441379328. Its totient is φ = 30474765216.

The previous prime is 57145523371. The next prime is 57145523431. The reversal of 57145523415 is 51432554175.

It is not a de Polignac number, because 57145523415 - 2³⁴ = 39965654231 is a prime.

It is a super-2 number, since 2×57145523415² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6727 + ... + 338136.

It is an arithmetic number, because the mean of its divisors is an integer number (5715086208).

Almost surely, 2^57145523415 is an apocalyptic number.

57145523415 is a deficient number, since it is larger than the sum of its proper divisors (34295855913).

57145523415 is a wasteful number, since it uses less digits than its factorization.

57145523415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355918.

The product of its digits is 420000, while the sum is 42.

The spelling of 57145523415 in words is "fifty-seven billion, one hundred forty-five million, five hundred twenty-three thousand, four hundred fifteen".