204452147 has 4 divisors (see below), whose sum is σ = 204952440. Its totient is φ = 203951856.

The previous prime is 204452119. The next prime is 204452153. The reversal of 204452147 is 741254402.

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

It is a cyclic number.

It is not a de Polignac number, because 204452147 - 2¹⁰ = 204451123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204452107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249533 + ... + 250350.

It is an arithmetic number, because the mean of its divisors is an integer number (51238110).

Almost surely, 2^204452147 is an apocalyptic number.

204452147 is a deficient number, since it is larger than the sum of its proper divisors (500293).

204452147 is an equidigital number, since it uses as much as digits as its factorization.

204452147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500292.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 204452147 is about 14298.6764072763. The cubic root of 204452147 is about 589.1111263350. Note that the first 4 decimals are identical.

The spelling of 204452147 in words is "two hundred four million, four hundred fifty-two thousand, one hundred forty-seven".