16745243 has 8 divisors (see below), whose sum is σ = 17073168. Its totient is φ = 16419744.

The previous prime is 16745233. The next prime is 16745249. The reversal of 16745243 is 34254761.

16745243 is nontrivially palindromic in base 11.

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 16745243 - 2¹⁰ = 16744219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16745249) 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, 19205 + ... + 20057.

It is an arithmetic number, because the mean of its divisors is an integer number (2134146).

Almost surely, 2^16745243 is an apocalyptic number.

16745243 is a deficient number, since it is larger than the sum of its proper divisors (327925).

16745243 is an equidigital number, since it uses as much as digits as its factorization.

16745243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its digits is 20160, while the sum is 32.

The square root of 16745243 is about 4092.0951846212. The cubic root of 16745243 is about 255.8372734972.

The spelling of 16745243 in words is "sixteen million, seven hundred forty-five thousand, two hundred forty-three".