144440412455425 has 6 divisors (see below), whose sum is σ = 179106111444758. Its totient is φ = 115552329964320.

The previous prime is 144440412455371. The next prime is 144440412455461. The reversal of 144440412455425 is 524554214044441.

It can be written as a sum of positive squares in 3 ways, for example, as 40788608467216 + 103651803988209 = 6386596^2 + 10180953^2 .

It is not a de Polignac number, because 144440412455425 - 2¹¹ = 144440412453377 is a prime.

It is a super-2 number, since 2×144440412455425² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2888808249084 + ... + 2888808249133.

Almost surely, 2^{144440412455425} is an apocalyptic number.

It is an amenable number.

144440412455425 is a deficient number, since it is larger than the sum of its proper divisors (34665698989333).

144440412455425 is an equidigital number, since it uses as much as digits as its factorization.

144440412455425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777616498227 (or 5777616498222 counting only the distinct ones).

The product of its (nonzero) digits is 8192000, while the sum is 49.

Adding to 144440412455425 its reverse (524554214044441), we get a palindrome (668994626499866).

The spelling of 144440412455425 in words is "one hundred forty-four trillion, four hundred forty billion, four hundred twelve million, four hundred fifty-five thousand, four hundred twenty-five".