144452639 has 2 divisors, whose sum is σ = 144452640. Its totient is φ = 144452638.

The previous prime is 144452617. The next prime is 144452641. The reversal of 144452639 is 936254441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144452639 - 2¹² = 144448543 is a prime.

Together with 144452641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144452239) 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, 72226319 + 72226320.

It is an arithmetic number, because the mean of its divisors is an integer number (72226320).

Almost surely, 2^144452639 is an apocalyptic number.

144452639 is a deficient number, since it is larger than the sum of its proper divisors (1).

144452639 is an equidigital number, since it uses as much as digits as its factorization.

144452639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 144452639 is about 12018.8451608297. The cubic root of 144452639 is about 524.6968941226.

The spelling of 144452639 in words is "one hundred forty-four million, four hundred fifty-two thousand, six hundred thirty-nine".