144683569 has 2 divisors, whose sum is σ = 144683570. Its totient is φ = 144683568.

The previous prime is 144683543. The next prime is 144683597. The reversal of 144683569 is 965386441.

144683569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144600625 + 82944 = 12025^2 + 288^2 .

It is an emirp because it is prime and its reverse (965386441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144683569 - 2¹¹ = 144681521 is a prime.

It is a super-2 number, since 2×144683569² = 41866670277155522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144683599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72341784 + 72341785.

It is an arithmetic number, because the mean of its divisors is an integer number (72341785).

Almost surely, 2^144683569 is an apocalyptic number.

It is an amenable number.

144683569 is a deficient number, since it is larger than the sum of its proper divisors (1).

144683569 is an equidigital number, since it uses as much as digits as its factorization.

144683569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 144683569 is about 12028.4483205441. The cubic root of 144683569 is about 524.9763484432.

The spelling of 144683569 in words is "one hundred forty-four million, six hundred eighty-three thousand, five hundred sixty-nine".