2145303 has 12 divisors (see below), whose sum is σ = 3112200. Its totient is φ = 1424016.

The previous prime is 2145289. The next prime is 2145307. The reversal of 2145303 is 3035412.

It is not a de Polignac number, because 2145303 - 2⁴ = 2145287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800 + ... + 3482.

It is an arithmetic number, because the mean of its divisors is an integer number (259350).

2^2145303 is an apocalyptic number.

2145303 is a deficient number, since it is larger than the sum of its proper divisors (966897).

2145303 is a wasteful number, since it uses less digits than its factorization.

2145303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2145303 is about 1464.6852904293. The cubic root of 2145303 is about 128.9722312682.

The spelling of 2145303 in words is "two million, one hundred forty-five thousand, three hundred three".