144523439 has 2 divisors, whose sum is σ = 144523440. Its totient is φ = 144523438.

The previous prime is 144523381. The next prime is 144523441. The reversal of 144523439 is 934325441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144523439 - 2¹² = 144519343 is a prime.

Together with 144523441, 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 = 144523399 and 144523408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144523339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72261719 + 72261720.

It is an arithmetic number, because the mean of its divisors is an integer number (72261720).

Almost surely, 2^144523439 is an apocalyptic number.

144523439 is a deficient number, since it is larger than the sum of its proper divisors (1).

144523439 is an equidigital number, since it uses as much as digits as its factorization.

144523439 is an odious number, because the sum of its binary digits is odd.

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

The square root of 144523439 is about 12021.7901745123. The cubic root of 144523439 is about 524.7826026585.

The spelling of 144523439 in words is "one hundred forty-four million, five hundred twenty-three thousand, four hundred thirty-nine".