144937589 has 2 divisors, whose sum is σ = 144937590. Its totient is φ = 144937588.

The previous prime is 144937579. The next prime is 144937603. The reversal of 144937589 is 985739441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111471364 + 33466225 = 10558^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 144937589 - 2⁸ = 144937333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144937579) 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, 72468794 + 72468795.

It is an arithmetic number, because the mean of its divisors is an integer number (72468795).

Almost surely, 2^144937589 is an apocalyptic number.

It is an amenable number.

144937589 is a deficient number, since it is larger than the sum of its proper divisors (1).

144937589 is an equidigital number, since it uses as much as digits as its factorization.

144937589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 144937589 is about 12039.0028241545. The cubic root of 144937589 is about 525.2834013352.

The spelling of 144937589 in words is "one hundred forty-four million, nine hundred thirty-seven thousand, five hundred eighty-nine".