14218645 has 8 divisors (see below), whose sum is σ = 19499904. Its totient is φ = 9749904.

The previous prime is 14218637. The next prime is 14218649. The reversal of 14218645 is 54681241.

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 14218645 - 2³ = 14218637 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 (14218649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203089 + ... + 203158.

It is an arithmetic number, because the mean of its divisors is an integer number (2437488).

Almost surely, 2^14218645 is an apocalyptic number.

It is an amenable number.

14218645 is a deficient number, since it is larger than the sum of its proper divisors (5281259).

14218645 is an equidigital number, since it uses as much as digits as its factorization.

14218645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406259.

The product of its digits is 7680, while the sum is 31.

The square root of 14218645 is about 3770.7618593595. The cubic root of 14218645 is about 242.2624307446.

Adding to 14218645 its reverse (54681241), we get a palindrome (68899886).

The spelling of 14218645 in words is "fourteen million, two hundred eighteen thousand, six hundred forty-five".