144443399 has 2 divisors, whose sum is σ = 144443400. Its totient is φ = 144443398.

The previous prime is 144443393. The next prime is 144443413. The reversal of 144443399 is 993344441.

It is a weak prime.

It is an emirp because it is prime and its reverse (993344441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144443399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144443393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221699 + 72221700.

It is an arithmetic number, because the mean of its divisors is an integer number (72221700).

Almost surely, 2^144443399 is an apocalyptic number.

144443399 is a deficient number, since it is larger than the sum of its proper divisors (1).

144443399 is an equidigital number, since it uses as much as digits as its factorization.

144443399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 144443399 is about 12018.4607583500. The cubic root of 144443399 is about 524.6857063665.

The spelling of 144443399 in words is "one hundred forty-four million, four hundred forty-three thousand, three hundred ninety-nine".