16845143 has 8 divisors (see below), whose sum is σ = 19915680. Its totient is φ = 13940640.

The previous prime is 16845067. The next prime is 16845161. The reversal of 16845143 is 34154861.

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

It is not a de Polignac number, because 16845143 - 2¹⁸ = 16582999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16845173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41288 + ... + 41693.

It is an arithmetic number, because the mean of its divisors is an integer number (2489460).

Almost surely, 2^16845143 is an apocalyptic number.

16845143 is a deficient number, since it is larger than the sum of its proper divisors (3070537).

16845143 is an equidigital number, since it uses as much as digits as its factorization.

16845143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83017.

The product of its digits is 11520, while the sum is 32.

The square root of 16845143 is about 4104.2834941071. The cubic root of 16845143 is about 256.3450293588.

The spelling of 16845143 in words is "sixteen million, eight hundred forty-five thousand, one hundred forty-three".