142442503144122 has 64 divisors (see below), whose sum is σ = 306895157084160. Its totient is φ = 43946469388800.

The previous prime is 142442503144069. The next prime is 142442503144133. The reversal of 142442503144122 is 221441305244241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36333747 + ... + 40062777.

It is an arithmetic number, because the mean of its divisors is an integer number (4795236829440).

Almost surely, 2^{142442503144122} is an apocalyptic number.

142442503144122 is an abundant number, since it is smaller than the sum of its proper divisors (164452653940038).

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

142442503144122 is a wasteful number, since it uses less digits than its factorization.

142442503144122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738019.

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 142442503144122 its reverse (221441305244241), we get a palindrome (363883808388363).

The spelling of 142442503144122 in words is "one hundred forty-two trillion, four hundred forty-two billion, five hundred three million, one hundred forty-four thousand, one hundred twenty-two".