144440632066631 has 2 divisors, whose sum is σ = 144440632066632. Its totient is φ = 144440632066630.

The previous prime is 144440632066597. The next prime is 144440632066639. The reversal of 144440632066631 is 136660236044441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144440632066631 - 2³⁴ = 144423452197447 is a prime.

It is a super-2 number, since 2×144440632066631² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144440632066631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144440632066639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72220316033315 + 72220316033316.

It is an arithmetic number, because the mean of its divisors is an integer number (72220316033316).

Almost surely, 2^{144440632066631} is an apocalyptic number.

144440632066631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144440632066631 is an equidigital number, since it uses as much as digits as its factorization.

144440632066631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 50.

The spelling of 144440632066631 in words is "one hundred forty-four trillion, four hundred forty billion, six hundred thirty-two million, sixty-six thousand, six hundred thirty-one".