4807144845 has 12 divisors (see below), whose sum is σ = 8332384476. Its totient is φ = 2563810560.

The previous prime is 4807144843. The next prime is 4807144861. The reversal of 4807144845 is 5484417084.

It can be written as a sum of positive squares in 2 ways, for example, as 3418390089 + 1388754756 = 58467^2 + 37266^2 .

It is not a de Polignac number, because 4807144845 - 2¹ = 4807144843 is a prime.

It is a super-3 number, since 3×4807144845³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 106825441 = 4807144845 / (4 + 8 + 0 + 7 + 1 + 4 + 4 + 8 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4807144845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4807144841) 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 11 ways as a sum of consecutive naturals, for example, 53412676 + ... + 53412765.

It is an arithmetic number, because the mean of its divisors is an integer number (694365373).

Almost surely, 2^4807144845 is an apocalyptic number.

4807144845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4807144845 is a deficient number, since it is larger than the sum of its proper divisors (3525239631).

4807144845 is a wasteful number, since it uses less digits than its factorization.

4807144845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106825452 (or 106825449 counting only the distinct ones).

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

The square root of 4807144845 is about 69333.5766061437. The cubic root of 4807144845 is about 1687.7018872862.

The spelling of 4807144845 in words is "four billion, eight hundred seven million, one hundred forty-four thousand, eight hundred forty-five".