445160218 has 16 divisors (see below), whose sum is σ = 682577280. Its totient is φ = 217643296.

The previous prime is 445160213. The next prime is 445160281. The reversal of 445160218 is 812061544.

It is a self number, because there is not a number n which added to its sum of digits gives 445160218.

It is not an unprimeable number, because it can be changed into a prime (445160213) 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 7 ways as a sum of consecutive naturals, for example, 184830 + ... + 187222.

It is an arithmetic number, because the mean of its divisors is an integer number (42661080).

Almost surely, 2^445160218 is an apocalyptic number.

445160218 is a deficient number, since it is larger than the sum of its proper divisors (237417062).

445160218 is a wasteful number, since it uses less digits than its factorization.

445160218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 445160218 is about 21098.8202987750. The cubic root of 445160218 is about 763.5522867296.

The spelling of 445160218 in words is "four hundred forty-five million, one hundred sixty thousand, two hundred eighteen".