57144157542 has 24 divisors (see below), whose sum is σ = 123916694616. Its totient is φ = 19031998176.

The previous prime is 57144157513. The next prime is 57144157549. The reversal of 57144157542 is 24575144175.

57144157542 is a `hidden beast` number, since 5 + 7 + 14 + 41 + 57 + 542 = 666.

57144157542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57144157549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315903 + ... + 1358634.

It is an arithmetic number, because the mean of its divisors is an integer number (5163195609).

Almost surely, 2^57144157542 is an apocalyptic number.

57144157542 is an abundant number, since it is smaller than the sum of its proper divisors (66772537074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57144157542 is a wasteful number, since it uses less digits than its factorization.

57144157542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675732 (or 2675729 counting only the distinct ones).

The product of its digits is 784000, while the sum is 45.

The spelling of 57144157542 in words is "fifty-seven billion, one hundred forty-four million, one hundred fifty-seven thousand, five hundred forty-two".