144312999989 has 2 divisors, whose sum is σ = 144312999990. Its totient is φ = 144312999988.

The previous prime is 144312999917. The next prime is 144313000019. The reversal of 144312999989 is 989999213441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127336212964 + 16976787025 = 356842^2 + 130295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144312999989 is a prime.

It is a super-2 number, since 2×144312999989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144312999689) 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, 72156499994 + 72156499995.

It is an arithmetic number, because the mean of its divisors is an integer number (72156499995).

Almost surely, 2^144312999989 is an apocalyptic number.

It is an amenable number.

144312999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

144312999989 is an equidigital number, since it uses as much as digits as its factorization.

144312999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45349632, while the sum is 68.

The spelling of 144312999989 in words is "one hundred forty-four billion, three hundred twelve million, nine hundred ninety-nine thousand, nine hundred eighty-nine".