4781831445 has 24 divisors (see below), whose sum is σ = 8648879616. Its totient is φ = 2439426528.

The previous prime is 4781831443. The next prime is 4781831459. The reversal of 4781831445 is 5441381874.

It is not a de Polignac number, because 4781831445 - 2¹ = 4781831443 is a prime.

It is a super-3 number, since 3×4781831445³ (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).

It is a self number, because there is not a number n which added to its sum of digits gives 4781831445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781831443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2309029 + ... + 2311098.

It is an arithmetic number, because the mean of its divisors is an integer number (360369984).

Almost surely, 2^4781831445 is an apocalyptic number.

4781831445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4781831445 is a deficient number, since it is larger than the sum of its proper divisors (3867048171).

4781831445 is a wasteful number, since it uses less digits than its factorization.

4781831445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620161 (or 4620158 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 4781831445 is about 69150.7877395478. The cubic root of 4781831445 is about 1684.7343128480.

The spelling of 4781831445 in words is "four billion, seven hundred eighty-one million, eight hundred thirty-one thousand, four hundred forty-five".