14561809 has 8 divisors (see below), whose sum is σ = 16230240. Its totient is φ = 12983616.

The previous prime is 14561797. The next prime is 14561819. The reversal of 14561809 is 90816541.

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 14561809 - 2⁹ = 14561297 is a prime.

It is a super-3 number, since 3×14561809³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (14561819) 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, 22219 + ... + 22864.

It is an arithmetic number, because the mean of its divisors is an integer number (2028780).

Almost surely, 2^14561809 is an apocalyptic number.

14561809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14561809 is a deficient number, since it is larger than the sum of its proper divisors (1668431).

14561809 is a wasteful number, since it uses less digits than its factorization.

14561809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45119.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 14561809 is about 3815.9938417141. The cubic root of 14561809 is about 244.1959424465.

The spelling of 14561809 in words is "fourteen million, five hundred sixty-one thousand, eight hundred nine".