14478645 has 16 divisors (see below), whose sum is σ = 24528960. Its totient is φ = 7267584.

The previous prime is 14478641. The next prime is 14478647. The reversal of 14478645 is 54687441.

It is not a de Polignac number, because 14478645 - 2² = 14478641 is a prime.

It is a super-2 number, since 2×14478645² = 419262322072050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14478641) 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, 28135 + ... + 28644.

It is an arithmetic number, because the mean of its divisors is an integer number (1533060).

Almost surely, 2^14478645 is an apocalyptic number.

14478645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14478645 is a deficient number, since it is larger than the sum of its proper divisors (10050315).

14478645 is a wasteful number, since it uses less digits than its factorization.

14478645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56804.

The product of its digits is 107520, while the sum is 39.

The square root of 14478645 is about 3805.0814708755. The cubic root of 14478645 is about 243.7301785328.

The spelling of 14478645 in words is "fourteen million, four hundred seventy-eight thousand, six hundred forty-five".