144444585 has 8 divisors (see below), whose sum is σ = 231111360. Its totient is φ = 77037104.

The previous prime is 144444581. The next prime is 144444617. The reversal of 144444585 is 585444441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144444585 - 2² = 144444581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144444581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814805 + ... + 4814834.

It is an arithmetic number, because the mean of its divisors is an integer number (28888920).

Almost surely, 2^144444585 is an apocalyptic number.

144444585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144444585 is a deficient number, since it is larger than the sum of its proper divisors (86666775).

144444585 is an equidigital number, since it uses as much as digits as its factorization.

144444585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629647.

The product of its digits is 204800, while the sum is 39.

The square root of 144444585 is about 12018.5100990098. The cubic root of 144444585 is about 524.6871423974.

The spelling of 144444585 in words is "one hundred forty-four million, four hundred forty-four thousand, five hundred eighty-five".