571144142 has 32 divisors (see below), whose sum is σ = 943384320. Its totient is φ = 258128640.

The previous prime is 571144139. The next prime is 571144157. The reversal of 571144142 is 241441175.

It is a happy number.

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, 587717 + ... + 588687.

It is an arithmetic number, because the mean of its divisors is an integer number (29480760).

Almost surely, 2^571144142 is an apocalyptic number.

571144142 is a deficient number, since it is larger than the sum of its proper divisors (372240178).

571144142 is a wasteful number, since it uses less digits than its factorization.

571144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its digits is 4480, while the sum is 29.

The square root of 571144142 is about 23898.6221778579. The cubic root of 571144142 is about 829.6888280488.

The spelling of 571144142 in words is "five hundred seventy-one million, one hundred forty-four thousand, one hundred forty-two".