342044242 has 4 divisors (see below), whose sum is σ = 513066366. Its totient is φ = 171022120.

The previous prime is 342044237. The next prime is 342044273. The reversal of 342044242 is 242440243.

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., 186568281 + 155475961 = 13659^2 + 12469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85511059 + ... + 85511062.

Almost surely, 2^342044242 is an apocalyptic number.

342044242 is a deficient number, since it is larger than the sum of its proper divisors (171022124).

342044242 is a wasteful number, since it uses less digits than its factorization.

342044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171022123.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 342044242 is about 18494.4381369102. The cubic root of 342044242 is about 699.3492196558.

Adding to 342044242 its reverse (242440243), we get a palindrome (584484485).

The spelling of 342044242 in words is "three hundred forty-two million, forty-four thousand, two hundred forty-two".