204546243 has 32 divisors (see below), whose sum is σ = 306450432. Its totient is φ = 120304800.

The previous prime is 204546241. The next prime is 204546259. The reversal of 204546243 is 342645402.

It is not a de Polignac number, because 204546243 - 2¹ = 204546241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204546243.

It is not an unprimeable number, because it can be changed into a prime (204546241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156330 + ... + 157632.

It is an arithmetic number, because the mean of its divisors is an integer number (9576576).

Almost surely, 2^204546243 is an apocalyptic number.

204546243 is a deficient number, since it is larger than the sum of its proper divisors (101904189).

204546243 is a wasteful number, since it uses less digits than its factorization.

204546243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 204546243 is about 14301.9664032608. The cubic root of 204546243 is about 589.2014889610.

The spelling of 204546243 in words is "two hundred four million, five hundred forty-six thousand, two hundred forty-three".