144403800025 has 9 divisors (see below), whose sum is σ = 179063068093. Its totient is φ = 115521520000.

The previous prime is 144403799987. The next prime is 144403800041. The reversal of 144403800025 is 520008304441.

The square root of 144403800025 is 380005.

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 1038579529 + 143365220496 = 32227^2 + 378636^2 .

It is not a de Polignac number, because 144403800025 - 2⁹ = 144403799513 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 144403800025.

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, 1862025 + ... + 1938025.

Almost surely, 2^144403800025 is an apocalyptic number.

144403800025 is the 380005-th square number.

144403800025 is the 190003-rd centered octagonal number.

It is an amenable number.

144403800025 is a deficient number, since it is larger than the sum of its proper divisors (34659268068).

144403800025 is an frugal number, since it uses more digits than its factorization.

144403800025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152012 (or 76006 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 144403800025 in words is "one hundred forty-four billion, four hundred three million, eight hundred thousand, twenty-five".