282880645 has 16 divisors (see below), whose sum is σ = 369648000. Its totient is φ = 206998848.

The previous prime is 282880643. The next prime is 282880687. The reversal of 282880645 is 546088282.

It is a cyclic number.

It is not a de Polignac number, because 282880645 - 2¹ = 282880643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282880643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48585 + ... + 54094.

It is an arithmetic number, because the mean of its divisors is an integer number (23103000).

Almost surely, 2^282880645 is an apocalyptic number.

It is an amenable number.

282880645 is a deficient number, since it is larger than the sum of its proper divisors (86767355).

282880645 is a wasteful number, since it uses less digits than its factorization.

282880645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102732.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 282880645 is about 16819.0560079928. The cubic root of 282880645 is about 656.4491311648.

The spelling of 282880645 in words is "two hundred eighty-two million, eight hundred eighty thousand, six hundred forty-five".