144410561 has 2 divisors, whose sum is σ = 144410562. Its totient is φ = 144410560.

The previous prime is 144410551. The next prime is 144410573. The reversal of 144410561 is 165014441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137334961 + 7075600 = 11719^2 + 2660^2 .

It is an emirp because it is prime and its reverse (165014441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144410561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144410561.

It is not a weakly prime, because it can be changed into another prime (144410501) 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, 72205280 + 72205281.

It is an arithmetic number, because the mean of its divisors is an integer number (72205281).

Almost surely, 2^144410561 is an apocalyptic number.

It is an amenable number.

144410561 is a deficient number, since it is larger than the sum of its proper divisors (1).

144410561 is an equidigital number, since it uses as much as digits as its factorization.

144410561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 144410561 is about 12017.0945323735. The cubic root of 144410561 is about 524.6459423824.

The spelling of 144410561 in words is "one hundred forty-four million, four hundred ten thousand, five hundred sixty-one".