144544886489 has 2 divisors, whose sum is σ = 144544886490. Its totient is φ = 144544886488.

The previous prime is 144544886471. The next prime is 144544886491. The reversal of 144544886489 is 984688445441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82421816464 + 62123070025 = 287092^2 + 249245^2 .

It is a cyclic number.

It is not a de Polignac number, because 144544886489 - 2²⁴ = 144528109273 is a prime.

Together with 144544886491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144544886429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272443244 + 72272443245.

It is an arithmetic number, because the mean of its divisors is an integer number (72272443245).

Almost surely, 2^144544886489 is an apocalyptic number.

It is an amenable number.

144544886489 is a deficient number, since it is larger than the sum of its proper divisors (1).

144544886489 is an equidigital number, since it uses as much as digits as its factorization.

144544886489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141557760, while the sum is 65.

The spelling of 144544886489 in words is "one hundred forty-four billion, five hundred forty-four million, eight hundred eighty-six thousand, four hundred eighty-nine".