144965617393 has 2 divisors, whose sum is σ = 144965617394. Its totient is φ = 144965617392.

The previous prime is 144965617373. The next prime is 144965617411. The reversal of 144965617393 is 393716569441.

144965617393 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 can be written as a sum of positive squares in only one way, i.e., 133668478449 + 11297138944 = 365607^2 + 106288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144965617393 is a prime.

It is a super-2 number, since 2×144965617393² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144965617333) 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, 72482808696 + 72482808697.

It is an arithmetic number, because the mean of its divisors is an integer number (72482808697).

Almost surely, 2^144965617393 is an apocalyptic number.

It is an amenable number.

144965617393 is a deficient number, since it is larger than the sum of its proper divisors (1).

144965617393 is an equidigital number, since it uses as much as digits as its factorization.

144965617393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 58.

The spelling of 144965617393 in words is "one hundred forty-four billion, nine hundred sixty-five million, six hundred seventeen thousand, three hundred ninety-three".