144445321439 has 2 divisors, whose sum is σ = 144445321440. Its totient is φ = 144445321438.

The previous prime is 144445321399. The next prime is 144445321477. The reversal of 144445321439 is 934123544441.

144445321439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (934123544441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144445321439 - 2¹² = 144445317343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144445321439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144445351439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72222660719 + 72222660720.

It is an arithmetic number, because the mean of its divisors is an integer number (72222660720).

Almost surely, 2^144445321439 is an apocalyptic number.

144445321439 is a deficient number, since it is larger than the sum of its proper divisors (1).

144445321439 is an equidigital number, since it uses as much as digits as its factorization.

144445321439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 44.

The spelling of 144445321439 in words is "one hundred forty-four billion, four hundred forty-five million, three hundred twenty-one thousand, four hundred thirty-nine".