845434434548 has 48 divisors (see below), whose sum is σ = 1631374069248. Its totient is φ = 380176188000.

The previous prime is 845434434511. The next prime is 845434434557.

845434434548 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 845434434493 and 845434434502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277783 + ... + 1823073.

It is an arithmetic number, because the mean of its divisors is an integer number (33986959776).

Almost surely, 2^845434434548 is an apocalyptic number.

It is an amenable number.

845434434548 is a deficient number, since it is larger than the sum of its proper divisors (785939634700).

845434434548 is a wasteful number, since it uses less digits than its factorization.

845434434548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545684 (or 545682 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 56.

The spelling of 845434434548 in words is "eight hundred forty-five billion, four hundred thirty-four million, four hundred thirty-four thousand, five hundred forty-eight".