210055345 has 8 divisors (see below), whose sum is σ = 253736640. Its totient is φ = 166930800.

The previous prime is 210055331. The next prime is 210055357. The reversal of 210055345 is 543550012.

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

It is not a de Polignac number, because 210055345 - 2⁹ = 210054833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138355 + ... + 139864.

It is an arithmetic number, because the mean of its divisors is an integer number (31717080).

Almost surely, 2^210055345 is an apocalyptic number.

It is an amenable number.

210055345 is a deficient number, since it is larger than the sum of its proper divisors (43681295).

210055345 is a wasteful number, since it uses less digits than its factorization.

210055345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278375.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 210055345 is about 14493.2862043085. The cubic root of 210055345 is about 594.4444075724. Note that the first 4 decimals are identical.

The spelling of 210055345 in words is "two hundred ten million, fifty-five thousand, three hundred forty-five".