144124244021509 has 2 divisors, whose sum is σ = 144124244021510. Its totient is φ = 144124244021508.

The previous prime is 144124244021377. The next prime is 144124244021539. The reversal of 144124244021509 is 905120442421441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140998763004100 + 3125481017409 = 11874290^2 + 1767903^2 .

It is a cyclic number.

It is not a de Polignac number, because 144124244021509 - 2⁹ = 144124244020997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144124244021539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72062122010754 + 72062122010755.

It is an arithmetic number, because the mean of its divisors is an integer number (72062122010755).

Almost surely, 2^{144124244021509} is an apocalyptic number.

It is an amenable number.

144124244021509 is a deficient number, since it is larger than the sum of its proper divisors (1).

144124244021509 is an equidigital number, since it uses as much as digits as its factorization.

144124244021509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 144124244021509 in words is "one hundred forty-four trillion, one hundred twenty-four billion, two hundred forty-four million, twenty-one thousand, five hundred nine".