144839 has 2 divisors, whose sum is σ = 144840. Its totient is φ = 144838.

The previous prime is 144829. The next prime is 144847. The reversal of 144839 is 938441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144839 - 2⁸ = 144583 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 (144829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72419 + 72420.

It is an arithmetic number, because the mean of its divisors is an integer number (72420).

2¹⁴⁴⁸³⁹ is an apocalyptic number.

144839 is a deficient number, since it is larger than the sum of its proper divisors (1).

144839 is an equidigital number, since it uses as much as digits as its factorization.

144839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 144839 is about 380.5771932210. The cubic root of 144839 is about 52.5164272101.

The spelling of 144839 in words is "one hundred forty-four thousand, eight hundred thirty-nine".