144731623943719 has 2 divisors, whose sum is σ = 144731623943720. Its totient is φ = 144731623943718.

The previous prime is 144731623943701. The next prime is 144731623943743. The reversal of 144731623943719 is 917349326137441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144731623943719 - 2¹⁹ = 144731623419431 is a prime.

It is a super-2 number, since 2×144731623943719² (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 (144731623943749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72365811971859 + 72365811971860.

It is an arithmetic number, because the mean of its divisors is an integer number (72365811971860).

Almost surely, 2^{144731623943719} is an apocalyptic number.

144731623943719 is a deficient number, since it is larger than the sum of its proper divisors (1).

144731623943719 is an equidigital number, since it uses as much as digits as its factorization.

144731623943719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82301184, while the sum is 64.

The spelling of 144731623943719 in words is "one hundred forty-four trillion, seven hundred thirty-one billion, six hundred twenty-three million, nine hundred forty-three thousand, seven hundred nineteen".