14505309 has 48 divisors (see below), whose sum is σ = 26208000. Its totient is φ = 7527168.

The previous prime is 14505289. The next prime is 14505311. The reversal of 14505309 is 90350541.

It is not a de Polignac number, because 14505309 - 2¹² = 14501213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14505389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72792 + ... + 72990.

It is an arithmetic number, because the mean of its divisors is an integer number (546000).

Almost surely, 2^14505309 is an apocalyptic number.

It is an amenable number.

14505309 is a deficient number, since it is larger than the sum of its proper divisors (11702691).

14505309 is a wasteful number, since it uses less digits than its factorization.

14505309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 14505309 is about 3808.5835949865. The cubic root of 14505309 is about 243.8797053274.

The spelling of 14505309 in words is "fourteen million, five hundred five thousand, three hundred nine".