2000044945 has 4 divisors (see below), whose sum is σ = 2400053940. Its totient is φ = 1600035952.

The previous prime is 2000044913. The next prime is 2000044957. The reversal of 2000044945 is 5494400002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1471412881 + 528632064 = 38359^2 + 22992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000044945 - 2⁵ = 2000044913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200004490 + ... + 200004499.

It is an arithmetic number, because the mean of its divisors is an integer number (600013485).

Almost surely, 2^2000044945 is an apocalyptic number.

It is an amenable number.

2000044945 is a deficient number, since it is larger than the sum of its proper divisors (400008995).

2000044945 is an equidigital number, since it uses as much as digits as its factorization.

2000044945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400008994.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2000044945 is about 44721.8620475490. The cubic root of 2000044945 is about 1259.9304876828.

Adding to 2000044945 its reverse (5494400002), we get a palindrome (7494444947).

The spelling of 2000044945 in words is "two billion, forty-four thousand, nine hundred forty-five".