804255145 has 8 divisors (see below), whose sum is σ = 1007067456. Its totient is φ = 615429936.

The previous prime is 804255131. The next prime is 804255169. The reversal of 804255145 is 541552408.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 804255145 - 2²⁹ = 267384233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 804255145.

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, 3496647 + ... + 3496876.

It is an arithmetic number, because the mean of its divisors is an integer number (125883432).

Almost surely, 2^804255145 is an apocalyptic number.

It is an amenable number.

804255145 is a deficient number, since it is larger than the sum of its proper divisors (202812311).

804255145 is a wasteful number, since it uses less digits than its factorization.

804255145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993551.

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 804255145 is about 28359.3925358073. The cubic root of 804255145 is about 929.9607433231.

The spelling of 804255145 in words is "eight hundred four million, two hundred fifty-five thousand, one hundred forty-five".