204064146 has 48 divisors (see below), whose sum is σ = 519442560. Its totient is φ = 57080160.

The previous prime is 204064121. The next prime is 204064163. The reversal of 204064146 is 641460402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37066 + ... + 42213.

It is an arithmetic number, because the mean of its divisors is an integer number (10821720).

Almost surely, 2^204064146 is an apocalyptic number.

204064146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204064146 is an abundant number, since it is smaller than the sum of its proper divisors (315378414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204064146 is a wasteful number, since it uses less digits than its factorization.

204064146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79311 (or 79308 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 204064146 is about 14285.1022397461. The cubic root of 204064146 is about 588.7382266027.

The spelling of 204064146 in words is "two hundred four million, sixty-four thousand, one hundred forty-six".