855045834 has 8 divisors (see below), whose sum is σ = 1710091680. Its totient is φ = 285015276.

The previous prime is 855045833. The next prime is 855045911. The reversal of 855045834 is 438540558.

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

855045834 is an admirable number.

It is a super-2 number, since 2×855045834² = 1462206756481511112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (855045833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71253814 + ... + 71253825.

It is an arithmetic number, because the mean of its divisors is an integer number (213761460).

Almost surely, 2^855045834 is an apocalyptic number.

855045834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

855045834 is a wasteful number, since it uses less digits than its factorization.

855045834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142507644.

The product of its (nonzero) digits is 384000, while the sum is 42.

The square root of 855045834 is about 29241.1667687868. The cubic root of 855045834 is about 949.1389553664.

The spelling of 855045834 in words is "eight hundred fifty-five million, forty-five thousand, eight hundred thirty-four".