282630445 has 4 divisors (see below), whose sum is σ = 339156540. Its totient is φ = 226104352.

The previous prime is 282630431. The next prime is 282630493. The reversal of 282630445 is 544036282.

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 213773641 + 68856804 = 14621^2 + 8298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282630445 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 282630445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28263040 + ... + 28263049.

It is an arithmetic number, because the mean of its divisors is an integer number (84789135).

Almost surely, 2^282630445 is an apocalyptic number.

It is an amenable number.

282630445 is a deficient number, since it is larger than the sum of its proper divisors (56526095).

282630445 is an equidigital number, since it uses as much as digits as its factorization.

282630445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56526094.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 282630445 is about 16811.6163708312. The cubic root of 282630445 is about 656.2555371264.

The spelling of 282630445 in words is "two hundred eighty-two million, six hundred thirty thousand, four hundred forty-five".