144464754396139 has 32 divisors (see below), whose sum is σ = 155526479944704. Its totient is φ = 133857456163200.

The previous prime is 144464754396041. The next prime is 144464754396161. The reversal of 144464754396139 is 931693457464441.

It is not a de Polignac number, because 144464754396139 - 2³³ = 144456164461547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144464754396169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90755769 + ... + 92333845.

It is an arithmetic number, because the mean of its divisors is an integer number (4860202498272).

Almost surely, 2^{144464754396139} is an apocalyptic number.

144464754396139 is a deficient number, since it is larger than the sum of its proper divisors (11061725548565).

144464754396139 is a wasteful number, since it uses less digits than its factorization.

144464754396139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578907.

The product of its digits is 940584960, while the sum is 70.

The spelling of 144464754396139 in words is "one hundred forty-four trillion, four hundred sixty-four billion, seven hundred fifty-four million, three hundred ninety-six thousand, one hundred thirty-nine".