142217244488 has 324 divisors, whose sum is σ = 336322292985. Its totient is φ = 56319014400.

The previous prime is 142217244479. The next prime is 142217244517. The reversal of 142217244488 is 884442712241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

142217244488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130160765284 + 12056479204 = 360778^2 + 109802^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=266662.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4587653033 + ... + 4587653063.

Almost surely, 2^142217244488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142217244488

142217244488 is an abundant number, since it is smaller than the sum of its proper divisors (194105048497).

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

142217244488 is a wasteful number, since it uses less digits than its factorization.

142217244488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 84 counting only the distinct ones).

The product of its digits is 917504, while the sum is 47.

The spelling of 142217244488 in words is "one hundred forty-two billion, two hundred seventeen million, two hundred forty-four thousand, four hundred eighty-eight".