142158805344 has 144 divisors (see below), whose sum is σ = 409515724800. Its totient is φ = 46774506240.

The previous prime is 142158805319. The next prime is 142158805357. The reversal of 142158805344 is 443508851241.

142158805344 is a `hidden beast` number, since 1 + 4 + 21 + 588 + 0 + 5 + 3 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 142158805344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7268859 + ... + 7288389.

It is an arithmetic number, because the mean of its divisors is an integer number (2843859200).

Almost surely, 2^142158805344 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 142158805344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204757862400).

142158805344 is an abundant number, since it is smaller than the sum of its proper divisors (267356919456).

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

142158805344 is a wasteful number, since it uses less digits than its factorization.

142158805344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873 (or 19862 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 142158805344 in words is "one hundred forty-two billion, one hundred fifty-eight million, eight hundred five thousand, three hundred forty-four".