342147515522 has 4 divisors (see below), whose sum is σ = 513221273286. Its totient is φ = 171073757760.

The previous prime is 342147515483. The next prime is 342147515527. The reversal of 342147515522 is 225515741243.

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., 217891970521 + 124255545001 = 466789^2 + 352499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 342147515522.

It is not an unprimeable number, because it can be changed into a prime (342147515527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85536878879 + ... + 85536878882.

Almost surely, 2^342147515522 is an apocalyptic number.

342147515522 is a deficient number, since it is larger than the sum of its proper divisors (171073757764).

342147515522 is a wasteful number, since it uses less digits than its factorization.

342147515522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171073757763.

The product of its digits is 336000, while the sum is 41.

The spelling of 342147515522 in words is "three hundred forty-two billion, one hundred forty-seven million, five hundred fifteen thousand, five hundred twenty-two".