10081845 has 12 divisors (see below), whose sum is σ = 17475276. Its totient is φ = 5376960.

The previous prime is 10081807. The next prime is 10081847. The reversal of 10081845 is 54818001.

It can be written as a sum of positive squares in 2 ways, for example, as 3896676 + 6185169 = 1974^2 + 2487^2 .

It is not a de Polignac number, because 10081845 - 2⁶ = 10081781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10081847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111976 + ... + 112065.

It is an arithmetic number, because the mean of its divisors is an integer number (1456273).

Almost surely, 2^10081845 is an apocalyptic number.

10081845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10081845 is a deficient number, since it is larger than the sum of its proper divisors (7393431).

10081845 is a wasteful number, since it uses less digits than its factorization.

10081845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224052 (or 224049 counting only the distinct ones).

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

The square root of 10081845 is about 3175.1921201716. The cubic root of 10081845 is about 216.0296384227.

Adding to 10081845 its reverse (54818001), we get a palindrome (64899846).

The spelling of 10081845 in words is "ten million, eighty-one thousand, eight hundred forty-five".