144653265125 has 16 divisors (see below), whose sum is σ = 186752358000. Its totient is φ = 111732174400.

The previous prime is 144653265091. The next prime is 144653265139. The reversal of 144653265125 is 521562356441.

It can be written as a sum of positive squares in 8 ways, for example, as 11656657156 + 132996607969 = 107966^2 + 364687^2 .

It is not a de Polignac number, because 144653265125 - 2¹² = 144653261029 is a prime.

It is a super-2 number, since 2×144653265125² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19948550 + ... + 19955799.

It is an arithmetic number, because the mean of its divisors is an integer number (11672022375).

Almost surely, 2^144653265125 is an apocalyptic number.

It is an amenable number.

144653265125 is a deficient number, since it is larger than the sum of its proper divisors (42099092875).

144653265125 is an equidigital number, since it uses as much as digits as its factorization.

144653265125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39904393 (or 39904383 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 144653265125 in words is "one hundred forty-four billion, six hundred fifty-three million, two hundred sixty-five thousand, one hundred twenty-five".