2045231204 has 12 divisors (see below), whose sum is σ = 3646686204. Its totient is φ = 1003320864.

The previous prime is 2045231191. The next prime is 2045231219. The reversal of 2045231204 is 4021325402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1887728704 + 157502500 = 43448^2 + 12550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2045231204.

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, 4823447 + ... + 4823870.

It is an arithmetic number, because the mean of its divisors is an integer number (303890517).

Almost surely, 2^2045231204 is an apocalyptic number.

It is an amenable number.

2045231204 is a deficient number, since it is larger than the sum of its proper divisors (1601455000).

2045231204 is a wasteful number, since it uses less digits than its factorization.

2045231204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647374 (or 9647372 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2045231204 is about 45224.2324865774. The cubic root of 2045231204 is about 1269.3482931545.

Adding to 2045231204 its reverse (4021325402), we get a palindrome (6066556606).

The spelling of 2045231204 in words is "two billion, forty-five million, two hundred thirty-one thousand, two hundred four".