210045345 has 8 divisors (see below), whose sum is σ = 336072576. Its totient is φ = 112024176.

The previous prime is 210045331. The next prime is 210045359. The reversal of 210045345 is 543540012.

It is an interprime number because it is at equal distance from previous prime (210045331) and next prime (210045359).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210045345 - 2⁵ = 210045313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7001497 + ... + 7001526.

It is an arithmetic number, because the mean of its divisors is an integer number (42009072).

Almost surely, 2^210045345 is an apocalyptic number.

It is an amenable number.

210045345 is a deficient number, since it is larger than the sum of its proper divisors (126027231).

210045345 is a wasteful number, since it uses less digits than its factorization.

210045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14003031.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 210045345 is about 14492.9412128802. The cubic root of 210045345 is about 594.4349742833.

Adding to 210045345 its reverse (543540012), we get a palindrome (753585357).

The spelling of 210045345 in words is "two hundred ten million, forty-five thousand, three hundred forty-five".