542868157 has 16 divisors (see below), whose sum is σ = 622520640. Its totient is φ = 468963072.

The previous prime is 542868127. The next prime is 542868199. The reversal of 542868157 is 751868245.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542868157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542868127) 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, 32698 + ... + 46420.

It is an arithmetic number, because the mean of its divisors is an integer number (38907540).

Almost surely, 2^542868157 is an apocalyptic number.

It is an amenable number.

542868157 is a deficient number, since it is larger than the sum of its proper divisors (79652483).

542868157 is a wasteful number, since it uses less digits than its factorization.

542868157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13932.

The product of its digits is 537600, while the sum is 46.

The square root of 542868157 is about 23299.5312613795. The cubic root of 542868157 is about 815.7644762125.

The spelling of 542868157 in words is "five hundred forty-two million, eight hundred sixty-eight thousand, one hundred fifty-seven".