10281745 has 16 divisors (see below), whose sum is σ = 12790800. Its totient is φ = 7928064.

The previous prime is 10281743. The next prime is 10281749. The reversal of 10281745 is 54718201.

It can be written as a sum of positive squares in 8 ways, for example, as 16129 + 10265616 = 127^2 + 3204^2 .

It is not a de Polignac number, because 10281745 - 2¹ = 10281743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10281743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27379 + ... + 27751.

It is an arithmetic number, because the mean of its divisors is an integer number (799425).

Almost surely, 2^10281745 is an apocalyptic number.

It is an amenable number.

10281745 is a deficient number, since it is larger than the sum of its proper divisors (2509055).

10281745 is a wasteful number, since it uses less digits than its factorization.

10281745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 10281745 is about 3206.5160221025. The cubic root of 10281745 is about 217.4480961275.

Adding to 10281745 its reverse (54718201), we get a palindrome (64999946).

It can be divided in two parts, 10281 and 745, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 10281745 in words is "ten million, two hundred eighty-one thousand, seven hundred forty-five".