144531253235025 has 48 divisors (see below), whose sum is σ = 266063564889600. Its totient is φ = 76922409343680.

The previous prime is 144531253235023. The next prime is 144531253235063. The reversal of 144531253235025 is 520532352135441.

144531253235025 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 312 + 5 + 323 + 5 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 144531253235025 - 2¹ = 144531253235023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (144531253235023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223184374 + ... + 223831023.

It is an arithmetic number, because the mean of its divisors is an integer number (5542990935200).

Almost surely, 2^{144531253235025} is an apocalyptic number.

144531253235025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144531253235025 is a deficient number, since it is larger than the sum of its proper divisors (121532311654575).

144531253235025 is a wasteful number, since it uses less digits than its factorization.

144531253235025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447015895 (or 447015884 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 144531253235025 in words is "one hundred forty-four trillion, five hundred thirty-one billion, two hundred fifty-three million, two hundred thirty-five thousand, twenty-five".