204153 has 8 divisors (see below), whose sum is σ = 288288. Its totient is φ = 128064.

The previous prime is 204151. The next prime is 204161. The reversal of 204153 is 351402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204153 - 2¹ = 204151 is a prime.

204153 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (204151) 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 7 ways as a sum of consecutive naturals, for example, 1951 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2²⁰⁴¹⁵³ is an apocalyptic number.

It is an amenable number.

204153 is a deficient number, since it is larger than the sum of its proper divisors (84135).

204153 is a wasteful number, since it uses less digits than its factorization.

204153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 204153 is about 451.8329337266. The cubic root of 204153 is about 58.8823664044.

Adding to 204153 its reverse (351402), we get a palindrome (555555).

The spelling of 204153 in words is "two hundred four thousand, one hundred fifty-three".