85443245444 has 24 divisors (see below), whose sum is σ = 154620480000. Its totient is φ = 41270811840.

The previous prime is 85443245443. The next prime is 85443245453. The reversal of 85443245444 is 44454234458.

It is not an unprimeable number, because it can be changed into a prime (85443245443) by changing a digit.

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, 534944 + ... + 676055.

It is an arithmetic number, because the mean of its divisors is an integer number (6442520000).

Almost surely, 2^85443245444 is an apocalyptic number.

It is an amenable number.

85443245444 is a deficient number, since it is larger than the sum of its proper divisors (69177234556).

85443245444 is a wasteful number, since it uses less digits than its factorization.

85443245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211603 (or 1211601 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 47.

The spelling of 85443245444 in words is "eighty-five billion, four hundred forty-three million, two hundred forty-five thousand, four hundred forty-four".