210303045 has 12 divisors (see below), whose sum is σ = 364525356. Its totient is φ = 112161600.

The previous prime is 210303019. The next prime is 210303047. The reversal of 210303045 is 540303012.

It can be written as a sum of positive squares in 2 ways, for example, as 64352484 + 145950561 = 8022^2 + 12081^2 .

It is not a de Polignac number, because 210303045 - 2⁵ = 210303013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210303047) 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, 2336656 + ... + 2336745.

It is an arithmetic number, because the mean of its divisors is an integer number (30377113).

Almost surely, 2^210303045 is an apocalyptic number.

It is an amenable number.

210303045 is a deficient number, since it is larger than the sum of its proper divisors (154222311).

210303045 is a wasteful number, since it uses less digits than its factorization.

210303045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673412 (or 4673409 counting only the distinct ones).

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

The square root of 210303045 is about 14501.8290225750. The cubic root of 210303045 is about 594.6779746518.

Adding to 210303045 its reverse (540303012), we get a palindrome (750606057).

The spelling of 210303045 in words is "two hundred ten million, three hundred three thousand, forty-five".