142424042644516 has 12 divisors (see below), whose sum is σ = 251811580552588. Its totient is φ = 70477876772352.

The previous prime is 142424042644489. The next prime is 142424042644517. The reversal of 142424042644516 is 615446240424241.

It can be written as a sum of positive squares in 2 ways, for example, as 103898186758116 + 38525855886400 = 10193046^2 + 6206920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142424042644516.

It is not an unprimeable number, because it can be changed into a prime (142424042644517) 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 in 3 ways as a sum of consecutive naturals, for example, 183536137041 + ... + 183536137816.

Almost surely, 2^{142424042644516} is an apocalyptic number.

It is an amenable number.

142424042644516 is a deficient number, since it is larger than the sum of its proper divisors (109387537908072).

142424042644516 is a wasteful number, since it uses less digits than its factorization.

142424042644516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367072274958 (or 367072274956 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 49.

The spelling of 142424042644516 in words is "one hundred forty-two trillion, four hundred twenty-four billion, forty-two million, six hundred forty-four thousand, five hundred sixteen".