144440339 has 2 divisors, whose sum is σ = 144440340. Its totient is φ = 144440338.

The previous prime is 144440293. The next prime is 144440363. The reversal of 144440339 is 933044441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144440339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (144440399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72220169 + 72220170.

It is an arithmetic number, because the mean of its divisors is an integer number (72220170).

Almost surely, 2^144440339 is an apocalyptic number.

144440339 is a deficient number, since it is larger than the sum of its proper divisors (1).

144440339 is an equidigital number, since it uses as much as digits as its factorization.

144440339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 144440339 is about 12018.3334535201. Note that the first 3 decimals coincide. The cubic root of 144440339 is about 524.6820012252.

The spelling of 144440339 in words is "one hundred forty-four million, four hundred forty thousand, three hundred thirty-nine".