144915757668865 has 32 divisors (see below), whose sum is σ = 175035531294720. Its totient is φ = 115176886809600.

The previous prime is 144915757668823. The next prime is 144915757668907. The reversal of 144915757668865 is 568866757519441.

It is an interprime number because it is at equal distance from previous prime (144915757668823) and next prime (144915757668907).

It is not a de Polignac number, because 144915757668865 - 2²⁹ = 144915220797953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4869629856 + ... + 4869659614.

It is an arithmetic number, because the mean of its divisors is an integer number (5469860352960).

Almost surely, 2^{144915757668865} is an apocalyptic number.

It is an amenable number.

144915757668865 is a deficient number, since it is larger than the sum of its proper divisors (30119773625855).

144915757668865 is a wasteful number, since it uses less digits than its factorization.

144915757668865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38073.

The product of its digits is 12192768000, while the sum is 82.

The spelling of 144915757668865 in words is "one hundred forty-four trillion, nine hundred fifteen billion, seven hundred fifty-seven million, six hundred sixty-eight thousand, eight hundred sixty-five".