2144404300225 has 96 divisors (see below), whose sum is σ = 3229456158720. Its totient is φ = 1393282176000.

The previous prime is 2144404300217. The next prime is 2144404300253. The reversal of 2144404300225 is 5220034044412.

It is not a de Polignac number, because 2144404300225 - 2³ = 2144404300217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14009656 + ... + 14161894.

It is an arithmetic number, because the mean of its divisors is an integer number (33640168320).

Almost surely, 2^{2144404300225} is an apocalyptic number.

2144404300225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144404300225 is a deficient number, since it is larger than the sum of its proper divisors (1085051858495).

2144404300225 is a wasteful number, since it uses less digits than its factorization.

2144404300225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152431 (or 152426 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 2144404300225 its reverse (5220034044412), we get a palindrome (7364438344637).

The spelling of 2144404300225 in words is "two trillion, one hundred forty-four billion, four hundred four million, three hundred thousand, two hundred twenty-five".