144504204515549 has 2 divisors, whose sum is σ = 144504204515550. Its totient is φ = 144504204515548.

The previous prime is 144504204515431. The next prime is 144504204515581. The reversal of 144504204515549 is 945515402405441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129177840803449 + 15326363712100 = 11365643^2 + 3914890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144504204515549 is a prime.

It is a super-2 number, since 2×144504204515549² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144504204515549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144504204535549) 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, 72252102257774 + 72252102257775.

It is an arithmetic number, because the mean of its divisors is an integer number (72252102257775).

Almost surely, 2^{144504204515549} is an apocalyptic number.

It is an amenable number.

144504204515549 is a deficient number, since it is larger than the sum of its proper divisors (1).

144504204515549 is an equidigital number, since it uses as much as digits as its factorization.

144504204515549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 144504204515549 in words is "one hundred forty-four trillion, five hundred four billion, two hundred four million, five hundred fifteen thousand, five hundred forty-nine".