144032661402665 has 16 divisors (see below), whose sum is σ = 201733283814912. Its totient is φ = 96663865159104.

The previous prime is 144032661402659. The next prime is 144032661402733. The reversal of 144032661402665 is 566204166230441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144032661402665 - 2⁶ = 144032661402601 is a prime.

It is a Duffinian 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, 43778922794 + ... + 43778926083.

It is an arithmetic number, because the mean of its divisors is an integer number (12608330238432).

Almost surely, 2^{144032661402665} is an apocalyptic number.

It is an amenable number.

144032661402665 is a deficient number, since it is larger than the sum of its proper divisors (57700622412247).

144032661402665 is an equidigital number, since it uses as much as digits as its factorization.

144032661402665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87557848936.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 144032661402665 in words is "one hundred forty-four trillion, thirty-two billion, six hundred sixty-one million, four hundred two thousand, six hundred sixty-five".