342142402 has 12 divisors (see below), whose sum is σ = 597003750. Its totient is φ = 146632416.

The previous prime is 342142399. The next prime is 342142421. The reversal of 342142402 is 204241243.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 285305881 + 56836521 = 16891^2 + 7539^2 .

It is a super-2 number, since 2×342142402² = 234122846492659208, which contains 22 as substring.

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 in 5 ways as a sum of consecutive naturals, for example, 1745527 + ... + 1745722.

Almost surely, 2^342142402 is an apocalyptic number.

342142402 is a deficient number, since it is larger than the sum of its proper divisors (254861348).

342142402 is a wasteful number, since it uses less digits than its factorization.

342142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491265 (or 3491258 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 342142402 is about 18497.0917173484. The cubic root of 342142402 is about 699.4161131013.

Adding to 342142402 its reverse (204241243), we get a palindrome (546383645).

The spelling of 342142402 in words is "three hundred forty-two million, one hundred forty-two thousand, four hundred two".