144443440113439 has 4 divisors (see below), whose sum is σ = 144445444201224. Its totient is φ = 144441436025656.

The previous prime is 144443440113437. The next prime is 144443440113461. The reversal of 144443440113439 is 934311044344441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144443440113439 - 2¹ = 144443440113437 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144443440113392 and 144443440113401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144443440113437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001935777 + ... + 1002079930.

It is an arithmetic number, because the mean of its divisors is an integer number (36111361050306).

Almost surely, 2^{144443440113439} is an apocalyptic number.

144443440113439 is a deficient number, since it is larger than the sum of its proper divisors (2004087785).

144443440113439 is an equidigital number, since it uses as much as digits as its factorization.

144443440113439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004087784.

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 144443440113439 in words is "one hundred forty-four trillion, four hundred forty-three billion, four hundred forty million, one hundred thirteen thousand, four hundred thirty-nine".