282445 has 4 divisors (see below), whose sum is σ = 338940. Its totient is φ = 225952.

The previous prime is 282439. The next prime is 282461. The reversal of 282445 is 544282.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544282 = 2 ⋅272141.

It can be written as a sum of positive squares in 2 ways, for example, as 90601 + 191844 = 301^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 282445 - 2⁵ = 282413 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 8² + 4 + 2¹⁸ + 4⁶ + 5⁶ .

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, 28240 + ... + 28249.

It is an arithmetic number, because the mean of its divisors is an integer number (84735).

2²⁸²⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

282445 is a deficient number, since it is larger than the sum of its proper divisors (56495).

282445 is an equidigital number, since it uses as much as digits as its factorization.

282445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56494.

The product of its digits is 2560, while the sum is 25.

The square root of 282445 is about 531.4555484704. The cubic root of 282445 is about 65.6111973995.

It can be divided in two parts, 282 and 445, that added together give a palindrome (727).

The spelling of 282445 in words is "two hundred eighty-two thousand, four hundred forty-five".