210845345 has 8 divisors (see below), whose sum is σ = 253780800. Its totient is φ = 168165360.

The previous prime is 210845321. The next prime is 210845381. The reversal of 210845345 is 543548012.

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

It is not a de Polignac number, because 210845345 - 2¹² = 210841249 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62045 + ... + 65354.

It is an arithmetic number, because the mean of its divisors is an integer number (31722600).

Almost surely, 2^210845345 is an apocalyptic number.

It is an amenable number.

210845345 is a deficient number, since it is larger than the sum of its proper divisors (42935455).

210845345 is a wasteful number, since it uses less digits than its factorization.

210845345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127735.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 210845345 is about 14520.5146258664. The cubic root of 210845345 is about 595.1886933014.

The spelling of 210845345 in words is "two hundred ten million, eight hundred forty-five thousand, three hundred forty-five".