14145665 has 4 divisors (see below), whose sum is σ = 16974804. Its totient is φ = 11316528.

The previous prime is 14145617. The next prime is 14145673. The reversal of 14145665 is 56654141.

14145665 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 11296321 + 2849344 = 3361^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 14145665 - 2⁶ = 14145601 is a prime.

It is a Duffinian 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, 1414562 + ... + 1414571.

It is an arithmetic number, because the mean of its divisors is an integer number (4243701).

Almost surely, 2^14145665 is an apocalyptic number.

It is an amenable number.

14145665 is a deficient number, since it is larger than the sum of its proper divisors (2829139).

14145665 is an equidigital number, since it uses as much as digits as its factorization.

14145665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829138.

The product of its digits is 14400, while the sum is 32.

The square root of 14145665 is about 3761.0723204958. The cubic root of 14145665 is about 241.8472330007.

The spelling of 14145665 in words is "fourteen million, one hundred forty-five thousand, six hundred sixty-five".