142044442023522 has 16 divisors (see below), whose sum is σ = 284309278852320. Its totient is φ = 47311414873632.

The previous prime is 142044442023521. The next prime is 142044442023529. The reversal of 142044442023522 is 225320244440241.

It is not an unprimeable number, because it can be changed into a prime (142044442023521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9183108508 + ... + 9183123975.

It is an arithmetic number, because the mean of its divisors is an integer number (17769329928270).

Almost surely, 2^{142044442023522} is an apocalyptic number.

142044442023522 is an abundant number, since it is smaller than the sum of its proper divisors (142264836828798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142044442023522 is a wasteful number, since it uses less digits than its factorization.

142044442023522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366233777.

The product of its (nonzero) digits is 491520, while the sum is 39.

Adding to 142044442023522 its reverse (225320244440241), we get a palindrome (367364686463763).

The spelling of 142044442023522 in words is "one hundred forty-two trillion, forty-four billion, four hundred forty-two million, twenty-three thousand, five hundred twenty-two".