808104545 has 4 divisors (see below), whose sum is σ = 969725460. Its totient is φ = 646483632.

The previous prime is 808104541. The next prime is 808104551. The reversal of 808104545 is 545401808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122921569 + 685182976 = 11087^2 + 26176^2 .

It is a cyclic number.

It is not a de Polignac number, because 808104545 - 2² = 808104541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (808104541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80810450 + ... + 80810459.

It is an arithmetic number, because the mean of its divisors is an integer number (242431365).

Almost surely, 2^808104545 is an apocalyptic number.

It is an amenable number.

808104545 is a deficient number, since it is larger than the sum of its proper divisors (161620915).

808104545 is a wasteful number, since it uses less digits than its factorization.

808104545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161620914.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 808104545 is about 28427.1796877566. The cubic root of 808104545 is about 931.4420703778.

The spelling of 808104545 in words is "eight hundred eight million, one hundred four thousand, five hundred forty-five".