144466717 has 2 divisors, whose sum is σ = 144466718. Its totient is φ = 144466716.

The previous prime is 144466643. The next prime is 144466723. The reversal of 144466717 is 717664441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87403801 + 57062916 = 9349^2 + 7554^2 .

It is a cyclic number.

It is not a de Polignac number, because 144466717 - 2¹⁹ = 143942429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144466717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144466787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72233358 + 72233359.

It is an arithmetic number, because the mean of its divisors is an integer number (72233359).

Almost surely, 2^144466717 is an apocalyptic number.

It is an amenable number.

144466717 is a deficient number, since it is larger than the sum of its proper divisors (1).

144466717 is an equidigital number, since it uses as much as digits as its factorization.

144466717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 144466717 is about 12019.4308101507. The cubic root of 144466717 is about 524.7139387931.

The spelling of 144466717 in words is "one hundred forty-four million, four hundred sixty-six thousand, seven hundred seventeen".