204153455 has 8 divisors (see below), whose sum is σ = 267255504. Its totient is φ = 148475200.

The previous prime is 204153419. The next prime is 204153517. The reversal of 204153455 is 554351402.

204153455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 204153455 - 2²⁰ = 203104879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855886 + ... + 1855995.

It is an arithmetic number, because the mean of its divisors is an integer number (33406938).

Almost surely, 2^204153455 is an apocalyptic number.

204153455 is a deficient number, since it is larger than the sum of its proper divisors (63102049).

204153455 is a wasteful number, since it uses less digits than its factorization.

204153455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711897.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 204153455 is about 14288.2278467275. The cubic root of 204153455 is about 588.8241014851.

The spelling of 204153455 in words is "two hundred four million, one hundred fifty-three thousand, four hundred fifty-five".