14421345 has 16 divisors (see below), whose sum is σ = 24077952. Its totient is φ = 7356800.

The previous prime is 14421317. The next prime is 14421347. The reversal of 14421345 is 54312441.

It is not a de Polignac number, because 14421345 - 2⁵ = 14421313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14421347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20556 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (1504872).

Almost surely, 2^14421345 is an apocalyptic number.

14421345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14421345 is a deficient number, since it is larger than the sum of its proper divisors (9656607).

14421345 is a wasteful number, since it uses less digits than its factorization.

14421345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41832.

The product of its digits is 1920, while the sum is 24.

The square root of 14421345 is about 3797.5446014497. The cubic root of 14421345 is about 243.4082284418.

Adding to 14421345 its reverse (54312441), we get a palindrome (68733786).

The spelling of 14421345 in words is "fourteen million, four hundred twenty-one thousand, three hundred forty-five".