2805453345 has 32 divisors (see below), whose sum is σ = 4639555584. Its totient is φ = 1446091200.

The previous prime is 2805453323. The next prime is 2805453347. The reversal of 2805453345 is 5433545082.

It is a happy number.

2805453345 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2805453345 - 2⁸ = 2805453089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2805453347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397800 + ... + 404790.

It is an arithmetic number, because the mean of its divisors is an integer number (144986112).

Almost surely, 2^2805453345 is an apocalyptic number.

It is an amenable number.

2805453345 is a deficient number, since it is larger than the sum of its proper divisors (1834102239).

2805453345 is a wasteful number, since it uses less digits than its factorization.

2805453345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893.

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 2805453345 is about 52966.5304225225. The cubic root of 2805453345 is about 1410.3741851828.

The spelling of 2805453345 in words is "two billion, eight hundred five million, four hundred fifty-three thousand, three hundred forty-five".