14216945 has 4 divisors (see below), whose sum is σ = 17060340. Its totient is φ = 11373552.

The previous prime is 14216933. The next prime is 14216953. The reversal of 14216945 is 54961241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54961241 = 3527 ⋅15583.

It can be written as a sum of positive squares in 2 ways, for example, as 6105841 + 8111104 = 2471^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 14216945 - 2⁴ = 14216929 is a prime.

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, 1421690 + ... + 1421699.

It is an arithmetic number, because the mean of its divisors is an integer number (4265085).

Almost surely, 2^14216945 is an apocalyptic number.

It is an amenable number.

14216945 is a deficient number, since it is larger than the sum of its proper divisors (2843395).

14216945 is an equidigital number, since it uses as much as digits as its factorization.

14216945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843394.

The product of its digits is 8640, while the sum is 32.

The square root of 14216945 is about 3770.5364339839. The cubic root of 14216945 is about 242.2527752876.

The spelling of 14216945 in words is "fourteen million, two hundred sixteen thousand, nine hundred forty-five".