14453309 has 4 divisors (see below), whose sum is σ = 15565116. Its totient is φ = 13341504.

The previous prime is 14453297. The next prime is 14453311. The reversal of 14453309 is 90335441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90335441 = 7 ⋅12905063.

It can be written as a sum of positive squares in 2 ways, for example, as 1651225 + 12802084 = 1285^2 + 3578^2 .

It is a cyclic number.

It is not a de Polignac number, because 14453309 - 2²⁰ = 13404733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14453389) 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, 555884 + ... + 555909.

It is an arithmetic number, because the mean of its divisors is an integer number (3891279).

Almost surely, 2^14453309 is an apocalyptic number.

It is an amenable number.

14453309 is a deficient number, since it is larger than the sum of its proper divisors (1111807).

14453309 is a wasteful number, since it uses less digits than its factorization.

14453309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111806.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 14453309 is about 3801.7507808903. The cubic root of 14453309 is about 243.5879287287.

The spelling of 14453309 in words is "fourteen million, four hundred fifty-three thousand, three hundred nine".