14444509 has 12 divisors (see below), whose sum is σ = 15492448. Its totient is φ = 13464000.

The previous prime is 14444501. The next prime is 14444519. The reversal of 14444509 is 90544441.

It is not a de Polignac number, because 14444509 - 2³ = 14444501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14444501) 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, 43474 + ... + 43804.

Almost surely, 2^14444509 is an apocalyptic number.

It is an amenable number.

14444509 is a deficient number, since it is larger than the sum of its proper divisors (1047939).

14444509 is a wasteful number, since it uses less digits than its factorization.

14444509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 14444509 is about 3800.5932431661. The cubic root of 14444509 is about 243.5384819442.

The spelling of 14444509 in words is "fourteen million, four hundred forty-four thousand, five hundred nine".