144313489 has 2 divisors, whose sum is σ = 144313490. Its totient is φ = 144313488.

The previous prime is 144313457. The next prime is 144313513. The reversal of 144313489 is 984313441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141134400 + 3179089 = 11880^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 144313489 - 2⁵ = 144313457 is a prime.

It is not a weakly prime, because it can be changed into another prime (144317489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72156744 + 72156745.

It is an arithmetic number, because the mean of its divisors is an integer number (72156745).

Almost surely, 2^144313489 is an apocalyptic number.

It is an amenable number.

144313489 is a deficient number, since it is larger than the sum of its proper divisors (1).

144313489 is an equidigital number, since it uses as much as digits as its factorization.

144313489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 144313489 is about 12013.0549403555. The cubic root of 144313489 is about 524.5283613087.

The spelling of 144313489 in words is "one hundred forty-four million, three hundred thirteen thousand, four hundred eighty-nine".