204470146 has 4 divisors (see below), whose sum is σ = 306705222. Its totient is φ = 102235072.

The previous prime is 204470137. The next prime is 204470159. The reversal of 204470146 is 641074402.

204470146 is digitally balanced in base 3, 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 can be written as a sum of positive squares in only one way, i.e., 177023025 + 27447121 = 13305^2 + 5239^2 .

It is a super-2 number, since 2×204470146² = 83616081210522632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51117535 + ... + 51117538.

Almost surely, 2^204470146 is an apocalyptic number.

204470146 is a deficient number, since it is larger than the sum of its proper divisors (102235076).

204470146 is a wasteful number, since it uses less digits than its factorization.

204470146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102235075.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 204470146 is about 14299.3057873451. The cubic root of 204470146 is about 589.1284133468.

The spelling of 204470146 in words is "two hundred four million, four hundred seventy thousand, one hundred forty-six".