282745 has 8 divisors (see below), whose sum is σ = 342216. Its totient is φ = 224256.

The previous prime is 282713. The next prime is 282767. The reversal of 282745 is 547282.

It can be written as a sum of positive squares in 4 ways, for example, as 56169 + 226576 = 237^2 + 476^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 282745 - 2⁵ = 282713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (42777).

2²⁸²⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

282745 is a deficient number, since it is larger than the sum of its proper divisors (59471).

282745 is a wasteful number, since it uses less digits than its factorization.

282745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 4480, while the sum is 28.

The square root of 282745 is about 531.7377173006. The cubic root of 282745 is about 65.6344189051.

The spelling of 282745 in words is "two hundred eighty-two thousand, seven hundred forty-five".