144321103422989 has 2 divisors, whose sum is σ = 144321103422990. Its totient is φ = 144321103422988.

The previous prime is 144321103422983. The next prime is 144321103423093. The reversal of 144321103422989 is 989224301123441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85823233830889 + 58497869592100 = 9264083^2 + 7648390^2 .

It is an emirp because it is prime and its reverse (989224301123441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144321103422989 - 2⁸ = 144321103422733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144321103422989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144321103422983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72160551711494 + 72160551711495.

It is an arithmetic number, because the mean of its divisors is an integer number (72160551711495).

Almost surely, 2^{144321103422989} is an apocalyptic number.

It is an amenable number.

144321103422989 is a deficient number, since it is larger than the sum of its proper divisors (1).

144321103422989 is an equidigital number, since it uses as much as digits as its factorization.

144321103422989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 144321103422989 in words is "one hundred forty-four trillion, three hundred twenty-one billion, one hundred three million, four hundred twenty-two thousand, nine hundred eighty-nine".