845145808 has 40 divisors (see below), whose sum is σ = 1820327936. Its totient is φ = 377481600.

The previous prime is 845145793. The next prime is 845145827. The reversal of 845145808 is 808541548.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59088 + ... + 71983.

Almost surely, 2^845145808 is an apocalyptic number.

It is an amenable number.

845145808 is an abundant number, since it is smaller than the sum of its proper divisors (975182128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845145808 is a wasteful number, since it uses less digits than its factorization.

845145808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131123 (or 131117 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 43.

The square root of 845145808 is about 29071.3915731600. The cubic root of 845145808 is about 945.4615693534.

The spelling of 845145808 in words is "eight hundred forty-five million, one hundred forty-five thousand, eight hundred eight".