144605017 has 2 divisors, whose sum is σ = 144605018. Its totient is φ = 144605016.

The previous prime is 144604969. The next prime is 144605023. The reversal of 144605017 is 710506441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112975641 + 31629376 = 10629^2 + 5624^2 .

It is a cyclic number.

It is not a de Polignac number, because 144605017 - 2¹⁵ = 144572249 is a prime.

It is a super-2 number, since 2×144605017² = 41821221883140578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144605317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72302508 + 72302509.

It is an arithmetic number, because the mean of its divisors is an integer number (72302509).

Almost surely, 2^144605017 is an apocalyptic number.

It is an amenable number.

144605017 is a deficient number, since it is larger than the sum of its proper divisors (1).

144605017 is an equidigital number, since it uses as much as digits as its factorization.

144605017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 144605017 is about 12025.1826181560. The cubic root of 144605017 is about 524.8813240446.

The spelling of 144605017 in words is "one hundred forty-four million, six hundred five thousand, seventeen".