144459929 has 2 divisors, whose sum is σ = 144459930. Its totient is φ = 144459928.

The previous prime is 144459893. The next prime is 144459947. The reversal of 144459929 is 929954441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138603529 + 5856400 = 11773^2 + 2420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144459929 is a prime.

It is not a weakly prime, because it can be changed into another prime (144459949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72229964 + 72229965.

It is an arithmetic number, because the mean of its divisors is an integer number (72229965).

Almost surely, 2^144459929 is an apocalyptic number.

It is an amenable number.

144459929 is a deficient number, since it is larger than the sum of its proper divisors (1).

144459929 is an equidigital number, since it uses as much as digits as its factorization.

144459929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 144459929 is about 12019.1484307334. The cubic root of 144459929 is about 524.7057204896.

The spelling of 144459929 in words is "one hundred forty-four million, four hundred fifty-nine thousand, nine hundred twenty-nine".