285544245 has 32 divisors (see below), whose sum is σ = 529304832. Its totient is φ = 128742912.

The previous prime is 285544243. The next prime is 285544249. The reversal of 285544245 is 542445582.

It is not a de Polignac number, because 285544245 - 2¹ = 285544243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285544243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10962 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (16540776).

Almost surely, 2^285544245 is an apocalyptic number.

It is an amenable number.

285544245 is a deficient number, since it is larger than the sum of its proper divisors (243760587).

285544245 is a wasteful number, since it uses less digits than its factorization.

285544245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37341.

The product of its digits is 256000, while the sum is 39.

The square root of 285544245 is about 16898.0544738144. The cubic root of 285544245 is about 658.5030697659.

The spelling of 285544245 in words is "two hundred eighty-five million, five hundred forty-four thousand, two hundred forty-five".