845133830 has 8 divisors (see below), whose sum is σ = 1521240912. Its totient is φ = 338053528.

The previous prime is 845133823. The next prime is 845133841. The reversal of 845133830 is 38331548.

845133830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×845133830² = 1428502381220937800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42256682 + ... + 42256701.

It is an arithmetic number, because the mean of its divisors is an integer number (190155114).

Almost surely, 2^845133830 is an apocalyptic number.

845133830 is a deficient number, since it is larger than the sum of its proper divisors (676107082).

845133830 is a wasteful number, since it uses less digits than its factorization.

845133830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84513390.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 845133830 is about 29071.1855623399. The cubic root of 845133830 is about 945.4571027505.

The spelling of 845133830 in words is "eight hundred forty-five million, one hundred thirty-three thousand, eight hundred thirty".