14243785 has 16 divisors (see below), whose sum is σ = 18455040. Its totient is φ = 10521280.

The previous prime is 14243783. The next prime is 14243791. The reversal of 14243785 is 58734241.

It is not a de Polignac number, because 14243785 - 2¹ = 14243783 is a prime.

It is a super-2 number, since 2×14243785² = 405770822252450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14243785.

It is not an unprimeable number, because it can be changed into a prime (14243783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (1153440).

Almost surely, 2^14243785 is an apocalyptic number.

It is an amenable number.

14243785 is a deficient number, since it is larger than the sum of its proper divisors (4211255).

14243785 is a wasteful number, since it uses less digits than its factorization.

14243785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328.

The product of its digits is 26880, while the sum is 34.

The square root of 14243785 is about 3774.0939309985. The cubic root of 14243785 is about 242.4051281560.

The spelling of 14243785 in words is "fourteen million, two hundred forty-three thousand, seven hundred eighty-five".