142322141223240 has 64 divisors (see below), whose sum is σ = 465781553098560. Its totient is φ = 34502337265920.

The previous prime is 142322141223169. The next prime is 142322141223257. The reversal of 142322141223240 is 42322141223241.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53909900659 + ... + 53909903298.

It is an arithmetic number, because the mean of its divisors is an integer number (7277836767165).

Almost surely, 2^{142322141223240} is an apocalyptic number.

142322141223240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142322141223240 is an abundant number, since it is smaller than the sum of its proper divisors (323459411875320).

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

142322141223240 is a wasteful number, since it uses less digits than its factorization.

142322141223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107819803982 (or 107819803978 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 142322141223240 its reverse (42322141223241), we get a palindrome (184644282446481).

Subtracting from 142322141223240 its reverse (42322141223241), we obtain a palindrome (99999999999999).

The spelling of 142322141223240 in words is "one hundred forty-two trillion, three hundred twenty-two billion, one hundred forty-one million, two hundred twenty-three thousand, two hundred forty".