142927557 has 16 divisors (see below), whose sum is σ = 201154560. Its totient is φ = 90020592.

The previous prime is 142927553. The next prime is 142927567. The reversal of 142927557 is 755729241.

It is not a de Polignac number, because 142927557 - 2² = 142927553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142927553) 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, 18558 + ... + 25104.

It is an arithmetic number, because the mean of its divisors is an integer number (12572160).

Almost surely, 2^142927557 is an apocalyptic number.

It is an amenable number.

142927557 is a deficient number, since it is larger than the sum of its proper divisors (58227003).

142927557 is a wasteful number, since it uses less digits than its factorization.

142927557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952.

The product of its digits is 176400, while the sum is 42.

The square root of 142927557 is about 11955.2313653898. The cubic root of 142927557 is about 522.8438334254.

The spelling of 142927557 in words is "one hundred forty-two million, nine hundred twenty-seven thousand, five hundred fifty-seven".