14223145 has 4 divisors (see below), whose sum is σ = 17067780. Its totient is φ = 11378512.

The previous prime is 14223113. The next prime is 14223173. The reversal of 14223145 is 54132241.

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 4932841 + 9290304 = 2221^2 + 3048^2 .

It is a cyclic number.

It is not a de Polignac number, because 14223145 - 2⁵ = 14223113 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1422310 + ... + 1422319.

It is an arithmetic number, because the mean of its divisors is an integer number (4266945).

Almost surely, 2^14223145 is an apocalyptic number.

It is an amenable number.

14223145 is a deficient number, since it is larger than the sum of its proper divisors (2844635).

14223145 is an equidigital number, since it uses as much as digits as its factorization.

14223145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844634.

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

The square root of 14223145 is about 3771.3585085483. The cubic root of 14223145 is about 242.2879855929.

Adding to 14223145 its reverse (54132241), we get a palindrome (68355386).

The spelling of 14223145 in words is "fourteen million, two hundred twenty-three thousand, one hundred forty-five".