10815345 has 12 divisors (see below), whose sum is σ = 18746676. Its totient is φ = 5768160.

The previous prime is 10815319. The next prime is 10815353. The reversal of 10815345 is 54351801.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 6110784 = 2169^2 + 2472^2 .

It is not a de Polignac number, because 10815345 - 2⁹ = 10814833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120126 + ... + 120215.

It is an arithmetic number, because the mean of its divisors is an integer number (1562223).

Almost surely, 2^10815345 is an apocalyptic number.

10815345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10815345 is a deficient number, since it is larger than the sum of its proper divisors (7931331).

10815345 is a wasteful number, since it uses less digits than its factorization.

10815345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240352 (or 240349 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 10815345 is about 3288.6691837277. The cubic root of 10815345 is about 221.1465282713.

The spelling of 10815345 in words is "ten million, eight hundred fifteen thousand, three hundred forty-five".