142856886987220 has 48 divisors (see below), whose sum is σ = 342871562799360. Its totient is φ = 48977356391424.

The previous prime is 142856886987193. The next prime is 142856886987229. The reversal of 142856886987220 is 22789688658241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142856886987229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19166280 + ... + 25555039.

It is an arithmetic number, because the mean of its divisors is an integer number (7143157558320).

Almost surely, 2^{142856886987220} is an apocalyptic number.

142856886987220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142856886987220 is an abundant number, since it is smaller than the sum of its proper divisors (200014675812140).

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

142856886987220 is a wasteful number, since it uses less digits than its factorization.

142856886987220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44744152 (or 44744150 counting only the distinct ones).

The product of its (nonzero) digits is 1486356480, while the sum is 76.

The spelling of 142856886987220 in words is "one hundred forty-two trillion, eight hundred fifty-six billion, eight hundred eighty-six million, nine hundred eighty-seven thousand, two hundred twenty".