It is a sphenic number, since it is the product of 3 distinct primes.
It is a 3-Lehmer number, since φ(16745) divides (16745-1)3.
It is a cyclic number.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
16745 is an undulating number in base 14.
It is a nialpdrome in base 7.
It is a self number, because there is not a number n which added to its sum of digits gives 16745.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 16745.
216745 is an apocalyptic number.
16745 is the 92-nd centered square number.
It is an amenable number.
16745 is a wasteful number, since it uses less digits than its factorization.
16745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219.
The square root of 16745 is about 129.4024729285. The cubic root of 16745 is about 25.5836035957.
The spelling of 16745 in words is "sixteen thousand, seven hundred forty-five".