144439 has 2 divisors, whose sum is σ = 144440. Its totient is φ = 144438.

The previous prime is 144427. The next prime is 144451. The reversal of 144439 is 934441.

It is a happy number.

144439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (144427) and next prime (144451).

It is an emirp because it is prime and its reverse (934441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144439 - 2⁵ = 144407 is a prime.

144439 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72219 + 72220.

It is an arithmetic number, because the mean of its divisors is an integer number (72220).

2¹⁴⁴⁴³⁹ is an apocalyptic number.

144439 is a deficient number, since it is larger than the sum of its proper divisors (1).

144439 is an equidigital number, since it uses as much as digits as its factorization.

144439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 144439 is about 380.0513123251. The cubic root of 144439 is about 52.4680379907.

The spelling of 144439 in words is "one hundred forty-four thousand, four hundred thirty-nine".