630282345 has 144 divisors (see below), whose sum is σ = 1360941120. Its totient is φ = 247484160.

The previous prime is 630282343. The next prime is 630282349. The reversal of 630282345 is 543282036.

It is a happy number.

It is not a de Polignac number, because 630282345 - 2¹ = 630282343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630282343) 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 143 ways as a sum of consecutive naturals, for example, 1689579 + ... + 1689951.

It is an arithmetic number, because the mean of its divisors is an integer number (9450980).

Almost surely, 2^630282345 is an apocalyptic number.

It is an amenable number.

630282345 is an abundant number, since it is smaller than the sum of its proper divisors (730658775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630282345 is a wasteful number, since it uses less digits than its factorization.

630282345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 630282345 is about 25105.4246130194. The cubic root of 630282345 is about 857.3899345055.

The spelling of 630282345 in words is "six hundred thirty million, two hundred eighty-two thousand, three hundred forty-five".