2045243604 has 12 divisors (see below), whose sum is σ = 4772235104. Its totient is φ = 681747864.

The previous prime is 2045243593. The next prime is 2045243609. The reversal of 2045243604 is 4063425402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045243609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85218472 + ... + 85218495.

Almost surely, 2^2045243604 is an apocalyptic number.

It is an amenable number.

2045243604 is an abundant number, since it is smaller than the sum of its proper divisors (2726991500).

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

2045243604 is a wasteful number, since it uses less digits than its factorization.

2045243604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170436974 (or 170436972 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2045243604 is about 45224.3695810124. The cubic root of 2045243604 is about 1269.3508584532.

The spelling of 2045243604 in words is "two billion, forty-five million, two hundred forty-three thousand, six hundred four".