14215445 has 4 divisors (see below), whose sum is σ = 17058540. Its totient is φ = 11372352.

The previous prime is 14215387. The next prime is 14215459. The reversal of 14215445 is 54451241.

14215445 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 8099716 + 6115729 = 2846^2 + 2473^2 .

It is a cyclic number.

It is not a de Polignac number, because 14215445 - 2⁶ = 14215381 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, 1421540 + ... + 1421549.

It is an arithmetic number, because the mean of its divisors is an integer number (4264635).

Almost surely, 2^14215445 is an apocalyptic number.

It is an amenable number.

14215445 is a deficient number, since it is larger than the sum of its proper divisors (2843095).

14215445 is an equidigital number, since it uses as much as digits as its factorization.

14215445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843094.

The product of its digits is 3200, while the sum is 26.

The square root of 14215445 is about 3770.3375180480. The cubic root of 14215445 is about 242.2442551275.

Adding to 14215445 its reverse (54451241), we get a palindrome (68666686).

The spelling of 14215445 in words is "fourteen million, two hundred fifteen thousand, four hundred forty-five".