285254066 has 8 divisors (see below), whose sum is σ = 429546780. Its totient is φ = 142071808.

The previous prime is 285253961. The next prime is 285254077. The reversal of 285254066 is 660452582.

It can be written as a sum of positive squares in 2 ways, for example, as 280060225 + 5193841 = 16735^2 + 2279^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276971 + ... + 277998.

Almost surely, 2^285254066 is an apocalyptic number.

285254066 is a deficient number, since it is larger than the sum of its proper divisors (144292714).

285254066 is a wasteful number, since it uses less digits than its factorization.

285254066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555228.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 285254066 is about 16889.4661253694. The cubic root of 285254066 is about 658.2799303510.

The spelling of 285254066 in words is "two hundred eighty-five million, two hundred fifty-four thousand, sixty-six".