144864017 has 2 divisors, whose sum is σ = 144864018. Its totient is φ = 144864016.

The previous prime is 144864007. The next prime is 144864059. The reversal of 144864017 is 710468441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78783376 + 66080641 = 8876^2 + 8129^2 .

It is a cyclic number.

It is not a de Polignac number, because 144864017 - 2⁴ = 144864001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144864007) 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, 72432008 + 72432009.

It is an arithmetic number, because the mean of its divisors is an integer number (72432009).

Almost surely, 2^144864017 is an apocalyptic number.

It is an amenable number.

144864017 is a deficient number, since it is larger than the sum of its proper divisors (1).

144864017 is an equidigital number, since it uses as much as digits as its factorization.

144864017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 144864017 is about 12035.9468676129. The cubic root of 144864017 is about 525.1945063113.

The spelling of 144864017 in words is "one hundred forty-four million, eight hundred sixty-four thousand, seventeen".