808145193 has 8 divisors (see below), whose sum is σ = 1078056000. Its totient is φ = 538498928.

The previous prime is 808145189. The next prime is 808145203. The reversal of 808145193 is 391541808.

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 808145193 - 2² = 808145189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (808145123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58893 + ... + 71306.

It is an arithmetic number, because the mean of its divisors is an integer number (134757000).

Almost surely, 2^808145193 is an apocalyptic number.

It is an amenable number.

808145193 is a deficient number, since it is larger than the sum of its proper divisors (269910807).

808145193 is a wasteful number, since it uses less digits than its factorization.

808145193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132271.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 808145193 is about 28427.8946283400. The cubic root of 808145193 is about 931.4576874258.

The spelling of 808145193 in words is "eight hundred eight million, one hundred forty-five thousand, one hundred ninety-three".