144445653654319 has 2 divisors, whose sum is σ = 144445653654320. Its totient is φ = 144445653654318.

The previous prime is 144445653654299. The next prime is 144445653654349. The reversal of 144445653654319 is 913456356544441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144445653654319 - 2²³ = 144445645265711 is a prime.

It is a super-2 number, since 2×144445653654319² (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 (144445653654349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72222826827159 + 72222826827160.

It is an arithmetic number, because the mean of its divisors is an integer number (72222826827160).

Almost surely, 2^{144445653654319} is an apocalyptic number.

144445653654319 is a deficient number, since it is larger than the sum of its proper divisors (1).

144445653654319 is an equidigital number, since it uses as much as digits as its factorization.

144445653654319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248000, while the sum is 64.

The spelling of 144445653654319 in words is "one hundred forty-four trillion, four hundred forty-five billion, six hundred fifty-three million, six hundred fifty-four thousand, three hundred nineteen".