144560065 has 12 divisors (see below), whose sum is σ = 187843644. Its totient is φ = 106751424.

The previous prime is 144560063. The next prime is 144560077. The reversal of 144560065 is 560065441.

It can be written as a sum of positive squares in 6 ways, for example, as 9628609 + 134931456 = 3103^2 + 11616^2 .

It is not a de Polignac number, because 144560065 - 2¹ = 144560063 is a prime.

It is a super-2 number, since 2×144560065² = 41795224785608450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144560063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84694 + ... + 86383.

It is an arithmetic number, because the mean of its divisors is an integer number (15653637).

Almost surely, 2^144560065 is an apocalyptic number.

It is an amenable number.

144560065 is a deficient number, since it is larger than the sum of its proper divisors (43283579).

144560065 is a wasteful number, since it uses less digits than its factorization.

144560065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171108 (or 171095 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 144560065 is about 12023.3133952334. The cubic root of 144560065 is about 524.8269301030.

The spelling of 144560065 in words is "one hundred forty-four million, five hundred sixty thousand, sixty-five".