144124370646721 has 2 divisors, whose sum is σ = 144124370646722. Its totient is φ = 144124370646720.

The previous prime is 144124370646709. The next prime is 144124370646733. The reversal of 144124370646721 is 127646073421441.

It is a balanced prime because it is at equal distance from previous prime (144124370646709) and next prime (144124370646733).

It can be written as a sum of positive squares in only one way, i.e., 74584382250625 + 69539988396096 = 8636225^2 + 8339064^2 .

It is a cyclic number.

It is not a de Polignac number, because 144124370646721 - 2¹³ = 144124370638529 is a prime.

It is not a weakly prime, because it can be changed into another prime (144124370646791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72062185323360 + 72062185323361.

It is an arithmetic number, because the mean of its divisors is an integer number (72062185323361).

Almost surely, 2^{144124370646721} is an apocalyptic number.

It is an amenable number.

144124370646721 is a deficient number, since it is larger than the sum of its proper divisors (1).

144124370646721 is an equidigital number, since it uses as much as digits as its factorization.

144124370646721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 144124370646721 in words is "one hundred forty-four trillion, one hundred twenty-four billion, three hundred seventy million, six hundred forty-six thousand, seven hundred twenty-one".