14543664 has 80 divisors (see below), whose sum is σ = 40711680. Its totient is φ = 4458240.

The previous prime is 14543651. The next prime is 14543689. The reversal of 14543664 is 46634541.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33529 + ... + 33959.

It is an arithmetic number, because the mean of its divisors is an integer number (508896).

Almost surely, 2^14543664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14543664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20355840).

14543664 is an abundant number, since it is smaller than the sum of its proper divisors (26168016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14543664 is a wasteful number, since it uses less digits than its factorization.

14543664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 14543664 is about 3813.6156072683. The cubic root of 14543664 is about 244.0944720622.

The spelling of 14543664 in words is "fourteen million, five hundred forty-three thousand, six hundred sixty-four".