1000108845 has 24 divisors (see below), whose sum is σ = 1734320952. Its totient is φ = 533145600.

The previous prime is 1000108841. The next prime is 1000108867. The reversal of 1000108845 is 5488010001.

It can be written as a sum of positive squares in 4 ways, for example, as 134513604 + 865595241 = 11598^2 + 29421^2 .

It is not a de Polignac number, because 1000108845 - 2² = 1000108841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000108841) 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, 136885 + ... + 144005.

It is an arithmetic number, because the mean of its divisors is an integer number (72263373).

Almost surely, 2^1000108845 is an apocalyptic number.

1000108845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000108845 is a deficient number, since it is larger than the sum of its proper divisors (734212107).

1000108845 is a wasteful number, since it uses less digits than its factorization.

1000108845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253 (or 10250 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1000108845 is about 31624.4975454156. The cubic root of 1000108845 is about 1000.0362803504.

Adding to 1000108845 its reverse (5488010001), we get a palindrome (6488118846).

The spelling of 1000108845 in words is "one billion, one hundred eight thousand, eight hundred forty-five".