481871745 has 12 divisors (see below), whose sum is σ = 835244436. Its totient is φ = 256998240.

The previous prime is 481871737. The next prime is 481871773. The reversal of 481871745 is 547178184.

It can be written as a sum of positive squares in 2 ways, for example, as 247873536 + 233998209 = 15744^2 + 15297^2 .

It is not a de Polignac number, because 481871745 - 2³ = 481871737 is a prime.

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: 10708261 = 481871745 / (4 + 8 + 1 + 8 + 7 + 1 + 7 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 481871745.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5354086 + ... + 5354175.

It is an arithmetic number, because the mean of its divisors is an integer number (69603703).

Almost surely, 2^481871745 is an apocalyptic number.

481871745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

481871745 is a deficient number, since it is larger than the sum of its proper divisors (353372691).

481871745 is a wasteful number, since it uses less digits than its factorization.

481871745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10708272 (or 10708269 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 481871745 is about 21951.5772781821. The cubic root of 481871745 is about 783.9899351625.

The spelling of 481871745 in words is "four hundred eighty-one million, eight hundred seventy-one thousand, seven hundred forty-five".