14640303 has 4 divisors (see below), whose sum is σ = 19520408. Its totient is φ = 9760200.

The previous prime is 14640289. The next prime is 14640323. The reversal of 14640303 is 30304641.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14640303 - 2⁹ = 14639791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14640303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640323) 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, 2440048 + ... + 2440053.

It is an arithmetic number, because the mean of its divisors is an integer number (4880102).

Almost surely, 2^14640303 is an apocalyptic number.

14640303 is a deficient number, since it is larger than the sum of its proper divisors (4880105).

14640303 is an equidigital number, since it uses as much as digits as its factorization.

14640303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880104.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 14640303 is about 3826.2648888962. The cubic root of 14640303 is about 244.6339278221.

Adding to 14640303 its reverse (30304641), we get a palindrome (44944944).

The spelling of 14640303 in words is "fourteen million, six hundred forty thousand, three hundred three".