14456789 has 4 divisors (see below), whose sum is σ = 14473440. Its totient is φ = 14440140.

The previous prime is 14456759. The next prime is 14456797. The reversal of 14456789 is 98765441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14456789 - 2¹² = 14452693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14456759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6947 + ... + 8784.

It is an arithmetic number, because the mean of its divisors is an integer number (3618360).

Almost surely, 2^14456789 is an apocalyptic number.

It is an amenable number.

14456789 is a deficient number, since it is larger than the sum of its proper divisors (16651).

14456789 is an equidigital number, since it uses as much as digits as its factorization.

14456789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650.

The product of its digits is 241920, while the sum is 44.

The square root of 14456789 is about 3802.2084372112. The cubic root of 14456789 is about 243.6074771464.

The spelling of 14456789 in words is "fourteen million, four hundred fifty-six thousand, seven hundred eighty-nine".