142020352400555 has 4 divisors (see below), whose sum is σ = 170424422880672. Its totient is φ = 113616281920440.

The previous prime is 142020352400489. The next prime is 142020352400569. The reversal of 142020352400555 is 555004253020241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142020352400555 - 2⁸ = 142020352400299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14202035240051 + ... + 14202035240060.

It is an arithmetic number, because the mean of its divisors is an integer number (42606105720168).

Almost surely, 2^{142020352400555} is an apocalyptic number.

142020352400555 is a deficient number, since it is larger than the sum of its proper divisors (28404070480117).

142020352400555 is an equidigital number, since it uses as much as digits as its factorization.

142020352400555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28404070480116.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 142020352400555 in words is "one hundred forty-two trillion, twenty billion, three hundred fifty-two million, four hundred thousand, five hundred fifty-five".