14456309 has 4 divisors (see below), whose sum is σ = 16521504. Its totient is φ = 12391116.

The previous prime is 14456303. The next prime is 14456311. The reversal of 14456309 is 90365441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90365441 = 563 ⋅160507.

It is a cyclic number.

It is not a de Polignac number, because 14456309 - 2⁴ = 14456293 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 (14456303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032587 + ... + 1032600.

It is an arithmetic number, because the mean of its divisors is an integer number (4130376).

Almost surely, 2^14456309 is an apocalyptic number.

It is an amenable number.

14456309 is a deficient number, since it is larger than the sum of its proper divisors (2065195).

14456309 is an equidigital number, since it uses as much as digits as its factorization.

14456309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065194.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 14456309 is about 3802.1453154765. The cubic root of 14456309 is about 243.6047809995.

The spelling of 14456309 in words is "fourteen million, four hundred fifty-six thousand, three hundred nine".