2845645616 has 30 divisors (see below), whose sum is σ = 6016156236. Its totient is φ = 1293153600.

The previous prime is 2845645577. The next prime is 2845645639. The reversal of 2845645616 is 6165465482.

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, 705686 + ... + 709706.

Almost surely, 2^2845645616 is an apocalyptic number.

It is an amenable number.

2845645616 is an abundant number, since it is smaller than the sum of its proper divisors (3170510620).

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

2845645616 is an frugal number, since it uses more digits than its factorization.

2845645616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061 (or 4034 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The square root of 2845645616 is about 53344.5931280763. The cubic root of 2845645616 is about 1417.0775071833.

The spelling of 2845645616 in words is "two billion, eight hundred forty-five million, six hundred forty-five thousand, six hundred sixteen".