282689045 has 4 divisors (see below), whose sum is σ = 339226860. Its totient is φ = 226151232.

The previous prime is 282689041. The next prime is 282689047. The reversal of 282689045 is 540986282.

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 72352036 + 210337009 = 8506^2 + 14503^2 .

It is a cyclic number.

It is not a de Polignac number, because 282689045 - 2² = 282689041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 282688987 and 282689005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282689041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28268900 + ... + 28268909.

It is an arithmetic number, because the mean of its divisors is an integer number (84806715).

Almost surely, 2^282689045 is an apocalyptic number.

It is an amenable number.

282689045 is a deficient number, since it is larger than the sum of its proper divisors (56537815).

282689045 is an equidigital number, since it uses as much as digits as its factorization.

282689045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56537814.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 282689045 is about 16813.3591230307. The cubic root of 282689045 is about 656.3008895381.

The spelling of 282689045 in words is "two hundred eighty-two million, six hundred eighty-nine thousand, forty-five".