282668245 has 4 divisors (see below), whose sum is σ = 339201900. Its totient is φ = 226134592.

The previous prime is 282668237. The next prime is 282668279. The reversal of 282668245 is 542866282.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123454321 + 159213924 = 11111^2 + 12618^2 .

It is a cyclic number.

It is not a de Polignac number, because 282668245 - 2³ = 282668237 is a prime.

It is a congruent number.

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, 28266820 + ... + 28266829.

It is an arithmetic number, because the mean of its divisors is an integer number (84800475).

Almost surely, 2^282668245 is an apocalyptic number.

It is an amenable number.

282668245 is a deficient number, since it is larger than the sum of its proper divisors (56533655).

282668245 is an equidigital number, since it uses as much as digits as its factorization.

282668245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56533654.

The product of its digits is 368640, while the sum is 43.

The square root of 282668245 is about 16812.7405558999. The cubic root of 282668245 is about 656.2847924713.

The spelling of 282668245 in words is "two hundred eighty-two million, six hundred sixty-eight thousand, two hundred forty-five".