142521043145588 has 6 divisors (see below), whose sum is σ = 249411825504786. Its totient is φ = 71260521572792.

The previous prime is 142521043145587. The next prime is 142521043145627. The reversal of 142521043145588 is 885541340125241.

It can be written as a sum of positive squares in only one way, i.e., 92847331175824 + 49673711969764 = 9635732^2 + 7047958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142521043145587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17815130393195 + ... + 17815130393202.

It is an arithmetic number, because the mean of its divisors is an integer number (41568637584131).

Almost surely, 2^{142521043145588} is an apocalyptic number.

It is an amenable number.

142521043145588 is a deficient number, since it is larger than the sum of its proper divisors (106890782359198).

142521043145588 is a wasteful number, since it uses less digits than its factorization.

142521043145588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35630260786401 (or 35630260786399 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 53.

The spelling of 142521043145588 in words is "one hundred forty-two trillion, five hundred twenty-one billion, forty-three million, one hundred forty-five thousand, five hundred eighty-eight".