357142 has 4 divisors (see below), whose sum is σ = 535716. Its totient is φ = 178570.

The previous prime is 357139. The next prime is 357169. The reversal of 357142 is 241753.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89284 + ... + 89287.

It is an arithmetic number, because the mean of its divisors is an integer number (133929).

2³⁵⁷¹⁴² is an apocalyptic number.

357142 is a deficient number, since it is larger than the sum of its proper divisors (178574).

357142 is a wasteful number, since it uses less digits than its factorization.

357142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178573.

The product of its digits is 840, while the sum is 22.

The square root of 357142 is about 597.6135875296. The cubic root of 357142 is about 70.9491138391.

Adding to 357142 its reverse (241753), we get a palindrome (598895).

The spelling of 357142 in words is "three hundred fifty-seven thousand, one hundred forty-two".