142222112423144 has 32 divisors (see below), whose sum is σ = 287185974405120. Its totient is φ = 65639441493696.

The previous prime is 142222112423123. The next prime is 142222112423173. The reversal of 142222112423144 is 441324211222241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11494472 + ... + 20409975.

It is an arithmetic number, because the mean of its divisors is an integer number (8974561700160).

Almost surely, 2^{142222112423144} is an apocalyptic number.

It is an amenable number.

142222112423144 is an abundant number, since it is smaller than the sum of its proper divisors (144963861981976).

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

142222112423144 is a wasteful number, since it uses less digits than its factorization.

142222112423144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31947329 (or 31947325 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

Adding to 142222112423144 its reverse (441324211222241), we get a palindrome (583546323645385).

The spelling of 142222112423144 in words is "one hundred forty-two trillion, two hundred twenty-two billion, one hundred twelve million, four hundred twenty-three thousand, one hundred forty-four".