445000002 has 16 divisors (see below), whose sum is σ = 904590912. Its totient is φ = 145901520.

The previous prime is 445000001. The next prime is 445000027. The reversal of 445000002 is 200000544.

It is not an unprimeable number, because it can be changed into a prime (445000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607558 + ... + 608289.

It is an arithmetic number, because the mean of its divisors is an integer number (56536932).

Almost surely, 2^445000002 is an apocalyptic number.

445000002 is an abundant number, since it is smaller than the sum of its proper divisors (459590910).

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

445000002 is a wasteful number, since it uses less digits than its factorization.

445000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215913.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 445000002 is about 21095.0231571335. The cubic root of 445000002 is about 763.4606732930.

Adding to 445000002 its reverse (200000544), we get a palindrome (645000546).

The spelling of 445000002 in words is "four hundred forty-five million, two", and thus it is an aban number.