142521523320000 has 280 divisors, whose sum is σ = 514046635071552. Its totient is φ = 34550672000000.

The previous prime is 142521523319963. The next prime is 142521523320031. The reversal of 142521523320000 is 23325125241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 142521523320000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52665426 + ... + 55305425.

Almost surely, 2^{142521523320000} is an apocalyptic number.

142521523320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142521523320000 is an abundant number, since it is smaller than the sum of its proper divisors (371525111751552).

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

142521523320000 is a wasteful number, since it uses less digits than its factorization.

142521523320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107970897 (or 107970872 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 142521523320000 its reverse (23325125241), we get a palindrome (142544848445241).

The spelling of 142521523320000 in words is "one hundred forty-two trillion, five hundred twenty-one billion, five hundred twenty-three million, three hundred twenty thousand".