10840045 has 4 divisors (see below), whose sum is σ = 13008060. Its totient is φ = 8672032.

The previous prime is 10840021. The next prime is 10840057. The reversal of 10840045 is 54004801.

10840045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8462281 + 2377764 = 2909^2 + 1542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10840045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10839998 and 10840025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084000 + ... + 1084009.

It is an arithmetic number, because the mean of its divisors is an integer number (3252015).

Almost surely, 2^10840045 is an apocalyptic number.

It is an amenable number.

10840045 is a deficient number, since it is larger than the sum of its proper divisors (2168015).

10840045 is an equidigital number, since it uses as much as digits as its factorization.

10840045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168014.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 10840045 is about 3292.4223605121. The cubic root of 10840045 is about 221.3147511758.

Adding to 10840045 its reverse (54004801), we get a palindrome (64844846).

The spelling of 10840045 in words is "ten million, eight hundred forty thousand, forty-five".