11303045 has 32 divisors (see below), whose sum is σ = 15839712. Its totient is φ = 7667712.

The previous prime is 11303029. The next prime is 11303057. The reversal of 11303045 is 54030311.

It is a Cunningham number, because it is equal to 3362²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 2910436 + 8392609 = 1706^2 + 2897^2 .

It is not a de Polignac number, because 11303045 - 2⁴ = 11303029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 58469 + ... + 58661.

It is an arithmetic number, because the mean of its divisors is an integer number (494991).

Almost surely, 2^11303045 is an apocalyptic number.

It is an amenable number.

11303045 is a deficient number, since it is larger than the sum of its proper divisors (4536667).

11303045 is a wasteful number, since it uses less digits than its factorization.

11303045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 11303045 is about 3362.0001487210. Note that the first 3 decimals coincide. The cubic root of 11303045 is about 224.4218572851.

Adding to 11303045 its reverse (54030311), we get a palindrome (65333356).

The spelling of 11303045 in words is "eleven million, three hundred three thousand, forty-five".