14020645 has 4 divisors (see below), whose sum is σ = 16824780. Its totient is φ = 11216512.

The previous prime is 14020637. The next prime is 14020661. The reversal of 14020645 is 54602041.

14020645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3038049 + 10982596 = 1743^2 + 3314^2 .

It is a cyclic number.

It is not a de Polignac number, because 14020645 - 2³ = 14020637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402060 + ... + 1402069.

It is an arithmetic number, because the mean of its divisors is an integer number (4206195).

Almost surely, 2^14020645 is an apocalyptic number.

It is an amenable number.

14020645 is a deficient number, since it is larger than the sum of its proper divisors (2804135).

14020645 is an equidigital number, since it uses as much as digits as its factorization.

14020645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804134.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 14020645 is about 3744.4151746301. The cubic root of 14020645 is about 241.1326382007.

Adding to 14020645 its reverse (54602041), we get a palindrome (68622686).

The spelling of 14020645 in words is "fourteen million, twenty thousand, six hundred forty-five".