804145564 has 6 divisors (see below), whose sum is σ = 1407254744. Its totient is φ = 402072780.

The previous prime is 804145541. The next prime is 804145579. The reversal of 804145564 is 465541408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100518192 + ... + 100518199.

Almost surely, 2^804145564 is an apocalyptic number.

It is an amenable number.

804145564 is a deficient number, since it is larger than the sum of its proper divisors (603109180).

804145564 is a wasteful number, since it uses less digits than its factorization.

804145564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201036395 (or 201036393 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 804145564 is about 28357.4604645762. The cubic root of 804145564 is about 929.9185052110.

The spelling of 804145564 in words is "eight hundred four million, one hundred forty-five thousand, five hundred sixty-four".