144914991839 has 2 divisors, whose sum is σ = 144914991840. Its totient is φ = 144914991838.

The previous prime is 144914991797. The next prime is 144914991919. The reversal of 144914991839 is 938199419441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144914991839 - 2²⁰ = 144913943263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144914999839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72457495919 + 72457495920.

It is an arithmetic number, because the mean of its divisors is an integer number (72457495920).

Almost surely, 2^144914991839 is an apocalyptic number.

144914991839 is a deficient number, since it is larger than the sum of its proper divisors (1).

144914991839 is an equidigital number, since it uses as much as digits as its factorization.

144914991839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 62.

The spelling of 144914991839 in words is "one hundred forty-four billion, nine hundred fourteen million, nine hundred ninety-one thousand, eight hundred thirty-nine".