142290849090521 has 8 divisors (see below), whose sum is σ = 144703184429760. Its totient is φ = 139878534619152.

The previous prime is 142290849090497. The next prime is 142290849090539. The reversal of 142290849090521 is 125090948092241.

142290849090521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142290849090521 - 2³⁸ = 142015971183577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142290849090541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854991 + ... + 19052363.

It is an arithmetic number, because the mean of its divisors is an integer number (18087898053720).

Almost surely, 2^{142290849090521} is an apocalyptic number.

It is an amenable number.

142290849090521 is a deficient number, since it is larger than the sum of its proper divisors (2412335339239).

142290849090521 is a wasteful number, since it uses less digits than its factorization.

142290849090521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433935.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 142290849090521 in words is "one hundred forty-two trillion, two hundred ninety billion, eight hundred forty-nine million, ninety thousand, five hundred twenty-one".