144968459 has 2 divisors, whose sum is σ = 144968460. Its totient is φ = 144968458.

The previous prime is 144968449. The next prime is 144968501. The reversal of 144968459 is 954869441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144968459 - 2⁴ = 144968443 is a prime.

It is not a weakly prime, because it can be changed into another prime (144968429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72484229 + 72484230.

It is an arithmetic number, because the mean of its divisors is an integer number (72484230).

Almost surely, 2^144968459 is an apocalyptic number.

144968459 is a deficient number, since it is larger than the sum of its proper divisors (1).

144968459 is an equidigital number, since it uses as much as digits as its factorization.

144968459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 144968459 is about 12040.2848388234. The cubic root of 144968459 is about 525.3206917478.

The spelling of 144968459 in words is "one hundred forty-four million, nine hundred sixty-eight thousand, four hundred fifty-nine".