342142 has 16 divisors (see below), whose sum is σ = 563760. Its totient is φ = 155008.

The previous prime is 342131. The next prime is 342143. The reversal of 342142 is 241243.

It is a super-2 number, since 2×342142² = 234122296328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342143) by changing a digit.

342142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813 + ... + 1159.

It is an arithmetic number, because the mean of its divisors is an integer number (35235).

2³⁴²¹⁴² is an apocalyptic number.

342142 is a deficient number, since it is larger than the sum of its proper divisors (221618).

342142 is a wasteful number, since it uses less digits than its factorization.

342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its digits is 192, while the sum is 16.

The square root of 342142 is about 584.9290555272. The cubic root of 342142 is about 69.9415839175.

Adding to 342142 its reverse (241243), we get a palindrome (583385).

It can be divided in two parts, 342 and 142, that added together give a palindrome (484).

The spelling of 342142 in words is "three hundred forty-two thousand, one hundred forty-two", and thus it is an iban number.