159444483025 has 9 divisors (see below), whose sum is σ = 197713634673. Its totient is φ = 127553989200.

The previous prime is 159444483017. The next prime is 159444483053. The reversal of 159444483025 is 520384444951.

The square root of 159444483025 is 399305.

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

It can be written as a sum of positive squares in 4 ways, for example, as 27803228049 + 131641254976 = 166743^2 + 362824^2 .

It is not a de Polignac number, because 159444483025 - 2³ = 159444483017 is a prime.

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 159444483025.

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, 1956595 + ... + 2036455.

Almost surely, 2^159444483025 is an apocalyptic number.

159444483025 is the 399305-th square number.

159444483025 is the 199653-rd centered octagonal number.

It is an amenable number.

159444483025 is a deficient number, since it is larger than the sum of its proper divisors (38269151648).

159444483025 is an frugal number, since it uses more digits than its factorization.

159444483025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159732 (or 79866 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

Multiplying 159444483025 by its sum of digits (49), we get a square (7812779668225 = 2795135²).

The spelling of 159444483025 in words is "one hundred fifty-nine billion, four hundred forty-four million, four hundred eighty-three thousand, twenty-five".