144029239 has 4 divisors (see below), whose sum is σ = 144058624. Its totient is φ = 143999856.

The previous prime is 144029227. The next prime is 144029257. The reversal of 144029239 is 932920441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932920441 = 17 ⋅54877673.

It is a cyclic number.

It is not a de Polignac number, because 144029239 - 2¹⁹ = 143504951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144029209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5367 + ... + 17800.

It is an arithmetic number, because the mean of its divisors is an integer number (36014656).

Almost surely, 2^144029239 is an apocalyptic number.

144029239 is a deficient number, since it is larger than the sum of its proper divisors (29385).

144029239 is an equidigital number, since it uses as much as digits as its factorization.

144029239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29384.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 144029239 is about 12001.2182298298. The cubic root of 144029239 is about 524.1837523010.

The spelling of 144029239 in words is "one hundred forty-four million, twenty-nine thousand, two hundred thirty-nine".