2845045643 has 8 divisors (see below), whose sum is σ = 3104322816. Its totient is φ = 2585874600.

The previous prime is 2845045633. The next prime is 2845045649. The reversal of 2845045643 is 3465405482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2845045643 - 2¹⁸ = 2844783499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2845045643.

It is not an unprimeable number, because it can be changed into a prime (2845045649) 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, 35930 + ... + 83552.

It is an arithmetic number, because the mean of its divisors is an integer number (388040352).

Almost surely, 2^2845045643 is an apocalyptic number.

2845045643 is a deficient number, since it is larger than the sum of its proper divisors (259277173).

2845045643 is a wasteful number, since it uses less digits than its factorization.

2845045643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53065.

The product of its (nonzero) digits is 460800, while the sum is 41.

The square root of 2845045643 is about 53338.9692720060. The cubic root of 2845045643 is about 1416.9779084610.

The spelling of 2845045643 in words is "two billion, eight hundred forty-five million, forty-five thousand, six hundred forty-three".