8144470845 has 48 divisors (see below), whose sum is σ = 16153562880. Its totient is φ = 3718628352.

The previous prime is 8144470813. The next prime is 8144470879. The reversal of 8144470845 is 5480744418.

It is not a de Polignac number, because 8144470845 - 2⁵ = 8144470813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8144470845.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 248877 + ... + 279693.

It is an arithmetic number, because the mean of its divisors is an integer number (336532560).

Almost surely, 2^8144470845 is an apocalyptic number.

It is an amenable number.

8144470845 is a deficient number, since it is larger than the sum of its proper divisors (8009092035).

8144470845 is a wasteful number, since it uses less digits than its factorization.

8144470845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31674 (or 31671 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The square root of 8144470845 is about 90246.7220734360. The cubic root of 8144470845 is about 2011.9674839151.

The spelling of 8144470845 in words is "eight billion, one hundred forty-four million, four hundred seventy thousand, eight hundred forty-five".