2804545 has 8 divisors (see below), whose sum is σ = 3375360. Its totient is φ = 2237040.

The previous prime is 2804531. The next prime is 2804567. The reversal of 2804545 is 5454082.

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

It is not a de Polignac number, because 2804545 - 2¹¹ = 2802497 is a prime.

2804545 is a modest number, since divided by 4545 gives 280 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 2980.

It is an arithmetic number, because the mean of its divisors is an integer number (421920).

2^2804545 is an apocalyptic number.

It is an amenable number.

2804545 is a deficient number, since it is larger than the sum of its proper divisors (570815).

2804545 is a wasteful number, since it uses less digits than its factorization.

2804545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2804545 is about 1674.6775809092. The cubic root of 2804545 is about 141.0221952552.

The spelling of 2804545 in words is "two million, eight hundred four thousand, five hundred forty-five".