144141449 has 2 divisors, whose sum is σ = 144141450. Its totient is φ = 144141448.

The previous prime is 144141421. The next prime is 144141451. The reversal of 144141449 is 944141441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141015625 + 3125824 = 11875^2 + 1768^2 .

It is an emirp because it is prime and its reverse (944141441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144141449 - 2²⁴ = 127364233 is a prime.

Together with 144141451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144141409) 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, 72070724 + 72070725.

It is an arithmetic number, because the mean of its divisors is an integer number (72070725).

Almost surely, 2^144141449 is an apocalyptic number.

It is an amenable number.

144141449 is a deficient number, since it is larger than the sum of its proper divisors (1).

144141449 is an equidigital number, since it uses as much as digits as its factorization.

144141449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 144141449 is about 12005.8922617188. The cubic root of 144141449 is about 524.3198436277.

The spelling of 144141449 in words is "one hundred forty-four million, one hundred forty-one thousand, four hundred forty-nine".