10303145 has 4 divisors (see below), whose sum is σ = 12363780. Its totient is φ = 8242512.

The previous prime is 10303141. The next prime is 10303157. The reversal of 10303145 is 54130301.

10303145 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 4048144 + 6255001 = 2012^2 + 2501^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303145 - 2² = 10303141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10303141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030310 + ... + 1030319.

It is an arithmetic number, because the mean of its divisors is an integer number (3090945).

Almost surely, 2^10303145 is an apocalyptic number.

It is an amenable number.

10303145 is a deficient number, since it is larger than the sum of its proper divisors (2060635).

10303145 is an equidigital number, since it uses as much as digits as its factorization.

10303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060634.

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

The square root of 10303145 is about 3209.8512426591. The cubic root of 10303145 is about 217.5988540818.

Adding to 10303145 its reverse (54130301), we get a palindrome (64433446).

The spelling of 10303145 in words is "ten million, three hundred three thousand, one hundred forty-five".