342132042 has 32 divisors (see below), whose sum is σ = 794841984. Its totient is φ = 96148800.

The previous prime is 342132041. The next prime is 342132047. The reversal of 342132042 is 240231243.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (342132041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 64209 + ... + 69332.

It is an arithmetic number, because the mean of its divisors is an integer number (24838812).

Almost surely, 2^342132042 is an apocalyptic number.

342132042 is an abundant number, since it is smaller than the sum of its proper divisors (452709942).

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

342132042 is a wasteful number, since it uses less digits than its factorization.

342132042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133614.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 342132042 is about 18496.8116712043. The cubic root of 342132042 is about 699.4090536391.

Adding to 342132042 its reverse (240231243), we get a palindrome (582363285).

The spelling of 342132042 in words is "three hundred forty-two million, one hundred thirty-two thousand, forty-two".