144323269 has 2 divisors, whose sum is σ = 144323270. Its totient is φ = 144323268.

The previous prime is 144323203. The next prime is 144323281. The reversal of 144323269 is 962323441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137194369 + 7128900 = 11713^2 + 2670^2 .

It is an emirp because it is prime and its reverse (962323441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144323269 - 2⁷ = 144323141 is a prime.

It is a super-2 number, since 2×144323269² = 41658411949692722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144323869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72161634 + 72161635.

It is an arithmetic number, because the mean of its divisors is an integer number (72161635).

Almost surely, 2^144323269 is an apocalyptic number.

It is an amenable number.

144323269 is a deficient number, since it is larger than the sum of its proper divisors (1).

144323269 is an equidigital number, since it uses as much as digits as its factorization.

144323269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 144323269 is about 12013.4619906170. The cubic root of 144323269 is about 524.5402099851.

The spelling of 144323269 in words is "one hundred forty-four million, three hundred twenty-three thousand, two hundred sixty-nine".