144560064217 has 2 divisors, whose sum is σ = 144560064218. Its totient is φ = 144560064216.

The previous prime is 144560064211. The next prime is 144560064239. The reversal of 144560064217 is 712460065441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87822729801 + 56737334416 = 296349^2 + 238196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144560064217 is a prime.

It is a super-2 number, since 2×144560064217² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144560064217.

It is not a weakly prime, because it can be changed into another prime (144560064211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72280032108 + 72280032109.

It is an arithmetic number, because the mean of its divisors is an integer number (72280032109).

Almost surely, 2^144560064217 is an apocalyptic number.

It is an amenable number.

144560064217 is a deficient number, since it is larger than the sum of its proper divisors (1).

144560064217 is an equidigital number, since it uses as much as digits as its factorization.

144560064217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 144560064217 in words is "one hundred forty-four billion, five hundred sixty million, sixty-four thousand, two hundred seventeen".