144430399 has 2 divisors, whose sum is σ = 144430400. Its totient is φ = 144430398.

The previous prime is 144430397. The next prime is 144430439. The reversal of 144430399 is 993034441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144430399 - 2¹ = 144430397 is a prime.

Together with 144430397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144430393) 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, 72215199 + 72215200.

It is an arithmetic number, because the mean of its divisors is an integer number (72215200).

Almost surely, 2^144430399 is an apocalyptic number.

144430399 is a deficient number, since it is larger than the sum of its proper divisors (1).

144430399 is an equidigital number, since it uses as much as digits as its factorization.

144430399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 144430399 is about 12017.9199115321. The cubic root of 144430399 is about 524.6699652091.

The spelling of 144430399 in words is "one hundred forty-four million, four hundred thirty thousand, three hundred ninety-nine".