144244999 has 2 divisors, whose sum is σ = 144245000. Its totient is φ = 144244998.

The previous prime is 144244993. The next prime is 144245009. The reversal of 144244999 is 999442441.

It is a weak prime.

It is an emirp because it is prime and its reverse (999442441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144244999 - 2⁵ = 144244967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144244993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72122499 + 72122500.

It is an arithmetic number, because the mean of its divisors is an integer number (72122500).

Almost surely, 2^144244999 is an apocalyptic number.

144244999 is a deficient number, since it is larger than the sum of its proper divisors (1).

144244999 is an equidigital number, since it uses as much as digits as its factorization.

144244999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 144244999 is about 12010.2039533057. The cubic root of 144244999 is about 524.4453692233.

The spelling of 144244999 in words is "one hundred forty-four million, two hundred forty-four thousand, nine hundred ninety-nine".