144545017 has 2 divisors, whose sum is σ = 144545018. Its totient is φ = 144545016.

The previous prime is 144544997. The next prime is 144545021. The reversal of 144545017 is 710545441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143496441 + 1048576 = 11979^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 144545017 - 2¹¹ = 144542969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144545017.

It is not a weakly prime, because it can be changed into another prime (144545057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272508 + 72272509.

It is an arithmetic number, because the mean of its divisors is an integer number (72272509).

Almost surely, 2^144545017 is an apocalyptic number.

It is an amenable number.

144545017 is a deficient number, since it is larger than the sum of its proper divisors (1).

144545017 is an equidigital number, since it uses as much as digits as its factorization.

144545017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 144545017 is about 12022.6875947103. The cubic root of 144545017 is about 524.8087188271.

The spelling of 144545017 in words is "one hundred forty-four million, five hundred forty-five thousand, seventeen".