804540146 has 8 divisors (see below), whose sum is σ = 1211990364. Its totient is φ = 400543360.

The previous prime is 804540137. The next prime is 804540197. The reversal of 804540146 is 641045408.

It can be written as a sum of positive squares in 2 ways, for example, as 798345025 + 6195121 = 28255^2 + 2489^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862775 + ... + 863706.

Almost surely, 2^804540146 is an apocalyptic number.

804540146 is a deficient number, since it is larger than the sum of its proper divisors (407450218).

804540146 is a wasteful number, since it uses less digits than its factorization.

804540146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726716.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 804540146 is about 28364.4168986426. The cubic root of 804540146 is about 930.0705792968.

The spelling of 804540146 in words is "eight hundred four million, five hundred forty thousand, one hundred forty-six".