342242042 has 4 divisors (see below), whose sum is σ = 513363066. Its totient is φ = 171121020.

The previous prime is 342242023. The next prime is 342242051. The reversal of 342242042 is 240242243.

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

It can be written as a sum of positive squares in only one way, i.e., 241460521 + 100781521 = 15539^2 + 10039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 342241999 and 342242017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85560509 + ... + 85560512.

Almost surely, 2^342242042 is an apocalyptic number.

342242042 is a deficient number, since it is larger than the sum of its proper divisors (171121024).

342242042 is a wasteful number, since it uses less digits than its factorization.

342242042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171121023.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 342242042 is about 18499.7849176686. The cubic root of 342242042 is about 699.4840020437.

Adding to 342242042 its reverse (240242243), we get a palindrome (582484285).

The spelling of 342242042 in words is "three hundred forty-two million, two hundred forty-two thousand, forty-two".