14143405 has 8 divisors (see below), whose sum is σ = 17970552. Its totient is φ = 10649088.

The previous prime is 14143369. The next prime is 14143427. The reversal of 14143405 is 50434141.

It can be written as a sum of positive squares in 4 ways, for example, as 813604 + 13329801 = 902^2 + 3651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14143405 - 2⁹ = 14142893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83112 + ... + 83281.

It is an arithmetic number, because the mean of its divisors is an integer number (2246319).

Almost surely, 2^14143405 is an apocalyptic number.

It is an amenable number.

14143405 is a deficient number, since it is larger than the sum of its proper divisors (3827147).

14143405 is a wasteful number, since it uses less digits than its factorization.

14143405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166415.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 14143405 is about 3760.7718622644. The cubic root of 14143405 is about 241.8343526387.

Adding to 14143405 its reverse (50434141), we get a palindrome (64577546).

The spelling of 14143405 in words is "fourteen million, one hundred forty-three thousand, four hundred five".