144345239 has 2 divisors, whose sum is σ = 144345240. Its totient is φ = 144345238.

The previous prime is 144345221. The next prime is 144345241. The reversal of 144345239 is 932543441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144345239 - 2⁸ = 144344983 is a prime.

Together with 144345241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144345199 and 144345208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144345259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72172619 + 72172620.

It is an arithmetic number, because the mean of its divisors is an integer number (72172620).

Almost surely, 2^144345239 is an apocalyptic number.

144345239 is a deficient number, since it is larger than the sum of its proper divisors (1).

144345239 is an equidigital number, since it uses as much as digits as its factorization.

144345239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 144345239 is about 12014.3763466940. The cubic root of 144345239 is about 524.5668251520.

The spelling of 144345239 in words is "one hundred forty-four million, three hundred forty-five thousand, two hundred thirty-nine".