808743145 has 16 divisors (see below), whose sum is σ = 1123176960. Its totient is φ = 547545024.

The previous prime is 808743137. The next prime is 808743157. The reversal of 808743145 is 541347808.

It is a cyclic number.

It is not a de Polignac number, because 808743145 - 2³ = 808743137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 808743098 and 808743107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143482 + ... + 149011.

It is an arithmetic number, because the mean of its divisors is an integer number (70198560).

Almost surely, 2^808743145 is an apocalyptic number.

It is an amenable number.

808743145 is a deficient number, since it is larger than the sum of its proper divisors (314433815).

808743145 is a wasteful number, since it uses less digits than its factorization.

808743145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292584.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 808743145 is about 28438.4096777580. The cubic root of 808743145 is about 931.6873613675.

The spelling of 808743145 in words is "eight hundred eight million, seven hundred forty-three thousand, one hundred forty-five".