845742194572 has 24 divisors (see below), whose sum is σ = 1684798682112. Its totient is φ = 367713997200.

The previous prime is 845742194527. The next prime is 845742194599. The reversal of 845742194572 is 275491247548.

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, 417855804 + ... + 417857827.

It is an arithmetic number, because the mean of its divisors is an integer number (70199945088).

Almost surely, 2^845742194572 is an apocalyptic number.

It is an amenable number.

845742194572 is a deficient number, since it is larger than the sum of its proper divisors (839056487540).

845742194572 is a wasteful number, since it uses less digits than its factorization.

845742194572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835713669 (or 835713667 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 58.

The spelling of 845742194572 in words is "eight hundred forty-five billion, seven hundred forty-two million, one hundred ninety-four thousand, five hundred seventy-two".