243016 has 16 divisors (see below), whose sum is σ = 468540. Its totient is φ = 118080.

The previous prime is 243011. The next prime is 243031. The reversal of 243016 is 610342.

243016 is digitally balanced in base 2, 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 2 ways, for example, as 240100 + 2916 = 490^2 + 54^2 .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (243011) by changing a digit.

243016 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115 + ... + 706.

2²⁴³⁰¹⁶ is an apocalyptic number.

It is an amenable number.

243016 is a deficient number, since it is larger than the sum of its proper divisors (225524).

243016 is a wasteful number, since it uses less digits than its factorization.

243016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 243016 is about 492.9665303040. The cubic root of 243016 is about 62.4038842640.

Adding to 243016 its reverse (610342), we get a palindrome (853358).

The spelling of 243016 in words is "two hundred forty-three thousand, sixteen".