565142157 has 8 divisors (see below), whose sum is σ = 837247680. Its totient is φ = 376761420.

The previous prime is 565142153. The next prime is 565142159. The reversal of 565142157 is 751241565.

565142157 is a `hidden beast` number, since 565 + 1 + 42 + 1 + 57 = 666.

565142157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 565142157 - 2² = 565142153 is a prime.

It is a super-2 number, since 2×565142157² = 638771315237225298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565142153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10465569 + ... + 10465622.

It is an arithmetic number, because the mean of its divisors is an integer number (104655960).

Almost surely, 2^565142157 is an apocalyptic number.

It is an amenable number.

565142157 is a deficient number, since it is larger than the sum of its proper divisors (272105523).

565142157 is a wasteful number, since it uses less digits than its factorization.

565142157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20931200 (or 20931194 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 565142157 is about 23772.7187549090. The cubic root of 565142157 is about 826.7722694140.

The spelling of 565142157 in words is "five hundred sixty-five million, one hundred forty-two thousand, one hundred fifty-seven".