144483985 has 4 divisors (see below), whose sum is σ = 173380788. Its totient is φ = 115587184.

The previous prime is 144483973. The next prime is 144484019. The reversal of 144483985 is 589384441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589384441 = 17 ⋅34669673.

It can be written as a sum of positive squares in 2 ways, for example, as 101042704 + 43441281 = 10052^2 + 6591^2 .

It is a cyclic number.

It is not a de Polignac number, because 144483985 - 2¹¹ = 144481937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14448394 + ... + 14448403.

It is an arithmetic number, because the mean of its divisors is an integer number (43345197).

Almost surely, 2^144483985 is an apocalyptic number.

It is an amenable number.

144483985 is a deficient number, since it is larger than the sum of its proper divisors (28896803).

144483985 is an equidigital number, since it uses as much as digits as its factorization.

144483985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28896802.

The product of its digits is 552960, while the sum is 46.

The square root of 144483985 is about 12020.1491255308. The cubic root of 144483985 is about 524.7348441834.

The spelling of 144483985 in words is "one hundred forty-four million, four hundred eighty-three thousand, nine hundred eighty-five".