845538546 has 16 divisors (see below), whose sum is σ = 1706043744. Its totient is φ = 279351744.

The previous prime is 845538527. The next prime is 845538557. The reversal of 845538546 is 645835548.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 845538495 and 845538504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622876 + ... + 624231.

It is an arithmetic number, because the mean of its divisors is an integer number (106627734).

Almost surely, 2^845538546 is an apocalyptic number.

845538546 is an abundant number, since it is smaller than the sum of its proper divisors (860505198).

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

845538546 is a wasteful number, since it uses less digits than its factorization.

845538546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247225.

The product of its digits is 2304000, while the sum is 48.

The square root of 845538546 is about 29078.1455048289. The cubic root of 845538546 is about 945.6079982024.

The spelling of 845538546 in words is "eight hundred forty-five million, five hundred thirty-eight thousand, five hundred forty-six".