2045030216 has 8 divisors (see below), whose sum is σ = 3834431670. Its totient is φ = 1022515104.

The previous prime is 2045030177. The next prime is 2045030231. The reversal of 2045030216 is 6120305402.

It can be written as a sum of positive squares in only one way, i.e., 1984346116 + 60684100 = 44546^2 + 7790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2045030191 and 2045030200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127814381 + ... + 127814396.

Almost surely, 2^2045030216 is an apocalyptic number.

It is an amenable number.

2045030216 is a deficient number, since it is larger than the sum of its proper divisors (1789401454).

2045030216 is a wasteful number, since it uses less digits than its factorization.

2045030216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255628783 (or 255628779 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2045030216 is about 45222.0103047178. The cubic root of 2045030216 is about 1269.3067115260.

Adding to 2045030216 its reverse (6120305402), we get a palindrome (8165335618).

The spelling of 2045030216 in words is "two billion, forty-five million, thirty thousand, two hundred sixteen".