144043309439 has 16 divisors (see below), whose sum is σ = 150668190720. Its totient is φ = 137548488000.

The previous prime is 144043309393. The next prime is 144043309441. The reversal of 144043309439 is 934903340441.

It is a de Polignac number, because none of the positive numbers 2^k-144043309439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144043309439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144043309139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301504 + ... + 1407834.

It is an arithmetic number, because the mean of its divisors is an integer number (9416761920).

Almost surely, 2^144043309439 is an apocalyptic number.

144043309439 is a deficient number, since it is larger than the sum of its proper divisors (6624881281).

144043309439 is a wasteful number, since it uses less digits than its factorization.

144043309439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106942.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 144043309439 in words is "one hundred forty-four billion, forty-three million, three hundred nine thousand, four hundred thirty-nine".