57145238029439 has 64 divisors (see below), whose sum is σ = 71821499904000. Its totient is φ = 44332556083200.

The previous prime is 57145238029421. The next prime is 57145238029501. The reversal of 57145238029439 is 93492083254175.

It is not a de Polignac number, because 57145238029439 - 2⁸ = 57145238029183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57145238029639) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3786702284 + ... + 3786717374.

It is an arithmetic number, because the mean of its divisors is an integer number (1122210936000).

Almost surely, 2^{57145238029439} is an apocalyptic number.

57145238029439 is a deficient number, since it is larger than the sum of its proper divisors (14676261874561).

57145238029439 is a wasteful number, since it uses less digits than its factorization.

57145238029439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19464.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 57145238029439 in words is "fifty-seven trillion, one hundred forty-five billion, two hundred thirty-eight million, twenty-nine thousand, four hundred thirty-nine".