10280845 has 8 divisors (see below), whose sum is σ = 12356064. Its totient is φ = 8211984.

The previous prime is 10280833. The next prime is 10280849. The reversal of 10280845 is 54808201.

10280845 is a nontrivial binomial coefficient, being equal to C(4535, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10280845 - 2⁵ = 10280813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10280849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3402 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (1544508).

Almost surely, 2^10280845 is an apocalyptic number.

10280845 is the 4534-th triangular number.

10280845 is the 1512-nd centered nonagonal number.

It is an amenable number.

10280845 is a deficient number, since it is larger than the sum of its proper divisors (2075219).

10280845 is an equidigital number, since it uses as much as digits as its factorization.

10280845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 10280845 is about 3206.3756797980. The cubic root of 10280845 is about 217.4417512578.

The spelling of 10280845 in words is "ten million, two hundred eighty thousand, eight hundred forty-five".