557142 has 8 divisors (see below), whose sum is σ = 1114296. Its totient is φ = 185712.

The previous prime is 557093. The next prime is 557153. The reversal of 557142 is 241755.

It is a sphenic number, since it is the product of 3 distinct primes.

557142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

557142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46423 + ... + 46434.

It is an arithmetic number, because the mean of its divisors is an integer number (139287).

2⁵⁵⁷¹⁴² is an apocalyptic number.

557142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

557142 is a wasteful number, since it uses less digits than its factorization.

557142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92862.

The product of its digits is 1400, while the sum is 24.

The square root of 557142 is about 746.4194531227. The cubic root of 557142 is about 82.2852449474.

Adding to 557142 its reverse (241755), we get a palindrome (798897).

The spelling of 557142 in words is "five hundred fifty-seven thousand, one hundred forty-two".