142255121365920 has 96 divisors (see below), whose sum is σ = 448709998282560. Its totient is φ = 37883366461440.

The previous prime is 142255121365879. The next prime is 142255121365939. The reversal of 142255121365920 is 29563121552241.

It is a happy number.

142255121365920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 142255121365920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200162761 + ... + 200872200.

It is an arithmetic number, because the mean of its divisors is an integer number (4674062482110).

Almost surely, 2^{142255121365920} is an apocalyptic number.

142255121365920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142255121365920 is an abundant number, since it is smaller than the sum of its proper divisors (306454876916640).

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

142255121365920 is a wasteful number, since it uses less digits than its factorization.

142255121365920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401035718 (or 401035710 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 142255121365920 in words is "one hundred forty-two trillion, two hundred fifty-five billion, one hundred twenty-one million, three hundred sixty-five thousand, nine hundred twenty".