342158 has 4 divisors (see below), whose sum is σ = 513240. Its totient is φ = 171078.

The previous prime is 342143. The next prime is 342179. The reversal of 342158 is 851243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 851243 = 181 ⋅4703.

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, 85538 + ... + 85541.

It is an arithmetic number, because the mean of its divisors is an integer number (128310).

2³⁴²¹⁵⁸ is an apocalyptic number.

342158 is a deficient number, since it is larger than the sum of its proper divisors (171082).

342158 is a wasteful number, since it uses less digits than its factorization.

342158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171081.

The product of its digits is 960, while the sum is 23.

The square root of 342158 is about 584.9427322397. The cubic root of 342158 is about 69.9426741548.

The spelling of 342158 in words is "three hundred forty-two thousand, one hundred fifty-eight".