144539 has 2 divisors, whose sum is σ = 144540. Its totient is φ = 144538.

The previous prime is 144511. The next prime is 144541. The reversal of 144539 is 935441.

144539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144539 - 2¹² = 140443 is a prime.

Together with 144541, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (144569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72269 + 72270.

It is an arithmetic number, because the mean of its divisors is an integer number (72270).

2¹⁴⁴⁵³⁹ is an apocalyptic number.

144539 is a deficient number, since it is larger than the sum of its proper divisors (1).

144539 is an equidigital number, since it uses as much as digits as its factorization.

144539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 144539 is about 380.1828507442. The cubic root of 144539 is about 52.4801436625.

It can be divided in two parts, 14 and 4539, that multiplied together give a triangular number (63546 = T₃₅₆).

The spelling of 144539 in words is "one hundred forty-four thousand, five hundred thirty-nine".