14145909 has 8 divisors (see below), whose sum is σ = 18896640. Its totient is φ = 9412896.

The previous prime is 14145893. The next prime is 14145913. The reversal of 14145909 is 90954141.

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

It is not a de Polignac number, because 14145909 - 2⁴ = 14145893 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14145909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14145949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (2362080).

Almost surely, 2^14145909 is an apocalyptic number.

It is an amenable number.

14145909 is a deficient number, since it is larger than the sum of its proper divisors (4750731).

14145909 is an equidigital number, since it uses as much as digits as its factorization.

14145909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 14145909 is about 3761.1047579136. The cubic root of 14145909 is about 241.8486235418.

The spelling of 14145909 in words is "fourteen million, one hundred forty-five thousand, nine hundred nine".