16245 has 18 divisors (see below), whose sum is σ = 29718. Its totient is φ = 8208.
The previous prime is 16231. The next prime is 16249. The reversal of 16245 is 54261.
It is a happy number.
16245 is nontrivially palindromic in base 14.
16245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 12996 + 3249 = 114^2 + 57^2 .
It is not a de Polignac number, because 16245 - 24 = 16229 is a prime.
It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.
It is an Ulam number.
It is a Curzon number.
16245 is a lucky number.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16249) 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 17 ways as a sum of consecutive naturals, for example, 846 + ... + 864.
It is an arithmetic number, because the mean of its divisors is an integer number (1651).
16245 is a Friedman number, since it can be written as 5*(61-4)^2, using all its digits and the basic arithmetic operations.
216245 is an apocalyptic number.
16245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
16245 is a deficient number, since it is larger than the sum of its proper divisors (13473).
16245 is a wasteful number, since it uses less digits than its factorization.
16245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49 (or 27 counting only the distinct ones).
The product of its digits is 240, while the sum is 18.
The square root of 16245 is about 127.4558747175. The cubic root of 16245 is about 25.3263869844.
The spelling of 16245 in words is "sixteen thousand, two hundred forty-five".
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