144164772964631 has 2 divisors, whose sum is σ = 144164772964632. Its totient is φ = 144164772964630.

The previous prime is 144164772964603. The next prime is 144164772964669. The reversal of 144164772964631 is 136469277461441.

It is a happy number.

144164772964631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144164772964631 - 2³⁸ = 143889895057687 is a prime.

It is a super-2 number, since 2×144164772964631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144164772964691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72082386482315 + 72082386482316.

It is an arithmetic number, because the mean of its divisors is an integer number (72082386482316).

Almost surely, 2^{144164772964631} is an apocalyptic number.

144164772964631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144164772964631 is an equidigital number, since it uses as much as digits as its factorization.

144164772964631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 146313216, while the sum is 65.

The spelling of 144164772964631 in words is "one hundred forty-four trillion, one hundred sixty-four billion, seven hundred seventy-two million, nine hundred sixty-four thousand, six hundred thirty-one".