204661454 has 4 divisors (see below), whose sum is σ = 306992184. Its totient is φ = 102330726.

The previous prime is 204661441. The next prime is 204661459. The reversal of 204661454 is 454166402.

204661454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 204661454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204661459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51165362 + ... + 51165365.

It is an arithmetic number, because the mean of its divisors is an integer number (76748046).

Almost surely, 2^204661454 is an apocalyptic number.

204661454 is a deficient number, since it is larger than the sum of its proper divisors (102330730).

204661454 is a wasteful number, since it uses less digits than its factorization.

204661454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102330729.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 204661454 is about 14305.9936390312. The cubic root of 204661454 is about 589.3120910931.

The spelling of 204661454 in words is "two hundred four million, six hundred sixty-one thousand, four hundred fifty-four".