14389645 has 4 divisors (see below), whose sum is σ = 17267580. Its totient is φ = 11511712.

The previous prime is 14389643. The next prime is 14389679. The reversal of 14389645 is 54698341.

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 5851561 + 8538084 = 2419^2 + 2922^2 .

It is a cyclic number.

It is not a de Polignac number, because 14389645 - 2¹ = 14389643 is a prime.

It is a super-3 number, since 3×14389645³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14389598 and 14389607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14389643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438960 + ... + 1438969.

It is an arithmetic number, because the mean of its divisors is an integer number (4316895).

Almost surely, 2^14389645 is an apocalyptic number.

It is an amenable number.

14389645 is a deficient number, since it is larger than the sum of its proper divisors (2877935).

14389645 is an equidigital number, since it uses as much as digits as its factorization.

14389645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877934.

The product of its digits is 103680, while the sum is 40.

The square root of 14389645 is about 3793.3685557826. The cubic root of 14389645 is about 243.2297499116.

The spelling of 14389645 in words is "fourteen million, three hundred eighty-nine thousand, six hundred forty-five".