2045013200 has 30 divisors (see below), whose sum is σ = 4913145174. Its totient is φ = 818005120.

The previous prime is 2045013169. The next prime is 2045013247. The reversal of 2045013200 is 23105402.

It can be written as a sum of positive squares in 3 ways, for example, as 2334784 + 2042678416 = 1528^2 + 45196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2555867 + ... + 2556666.

Almost surely, 2^2045013200 is an apocalyptic number.

2045013200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045013200 is an abundant number, since it is smaller than the sum of its proper divisors (2868131974).

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

2045013200 is a wasteful number, since it uses less digits than its factorization.

2045013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112551 (or 5112540 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2045013200 is about 45221.8221658526. The cubic root of 2045013200 is about 1269.3031910266.

Adding to 2045013200 its reverse (23105402), we get a palindrome (2068118602).

The spelling of 2045013200 in words is "two billion, forty-five million, thirteen thousand, two hundred".