445045002 has 8 divisors (see below), whose sum is σ = 890090016. Its totient is φ = 148348332.

The previous prime is 445044979. The next prime is 445045019. The reversal of 445045002 is 200540544.

It is a sphenic number, since it is the product of 3 distinct primes.

445045002 is an admirable 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, 37087078 + ... + 37087089.

It is an arithmetic number, because the mean of its divisors is an integer number (111261252).

Almost surely, 2^445045002 is an apocalyptic number.

445045002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445045002 is a wasteful number, since it uses less digits than its factorization.

445045002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74174172.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 445045002 is about 21096.0897324599. The cubic root of 445045002 is about 763.4864070549.

Adding to 445045002 its reverse (200540544), we get a palindrome (645585546).

The spelling of 445045002 in words is "four hundred forty-five million, forty-five thousand, two".