804284045 has 4 divisors (see below), whose sum is σ = 965140860. Its totient is φ = 643427232.

The previous prime is 804284017. The next prime is 804284051. The reversal of 804284045 is 540482408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190136521 + 614147524 = 13789^2 + 24782^2 .

It is a cyclic number.

It is not a de Polignac number, because 804284045 - 2⁸ = 804283789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804283996 and 804284014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80428400 + ... + 80428409.

It is an arithmetic number, because the mean of its divisors is an integer number (241285215).

Almost surely, 2^804284045 is an apocalyptic number.

It is an amenable number.

804284045 is a deficient number, since it is larger than the sum of its proper divisors (160856815).

804284045 is a wasteful number, since it uses less digits than its factorization.

804284045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160856814.

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 804284045 is about 28359.9020625954. The cubic root of 804284045 is about 929.9718822192.

The spelling of 804284045 in words is "eight hundred four million, two hundred eighty-four thousand, forty-five".