142553063844 has 27 divisors (see below), whose sum is σ = 360348193387. Its totient is φ = 47516932824.

The previous prime is 142553063771. The next prime is 142553063857. The reversal of 142553063844 is 448360355241.

The square root of 142553063844 is 377562.

It is a perfect power (a square), and thus also a powerful number.

142553063844 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 5 + 3 + 0 + 638 + 4 + 4 = 666.

It is a super-2 number, since 2×142553063844² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142553063844.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2233909 + ... + 2296835.

Almost surely, 2^142553063844 is an apocalyptic number.

142553063844 is the 377562-nd square number.

It is an amenable number.

142553063844 is an abundant number, since it is smaller than the sum of its proper divisors (217795129543).

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

142553063844 is an frugal number, since it uses more digits than its factorization.

142553063844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125864 (or 62932 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 142553063844 in words is "one hundred forty-two billion, five hundred fifty-three million, sixty-three thousand, eight hundred forty-four".