2045313012 has 24 divisors (see below), whose sum is σ = 4779322912. Its totient is φ = 680781600.

The previous prime is 2045312999. The next prime is 2045313013. The reversal of 2045313012 is 2103135402.

It is a self number, because there is not a number n which added to its sum of digits gives 2045313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045313013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115039 + ... + 131622.

Almost surely, 2^2045313012 is an apocalyptic number.

It is an amenable number.

2045313012 is an abundant number, since it is smaller than the sum of its proper divisors (2734009900).

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

2045313012 is a wasteful number, since it uses less digits than its factorization.

2045313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247359 (or 247357 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2045313012 is about 45225.1369483830. The cubic root of 2045313012 is about 1269.3652173145.

Adding to 2045313012 its reverse (2103135402), we get a palindrome (4148448414).

The spelling of 2045313012 in words is "two billion, forty-five million, three hundred thirteen thousand, twelve".