214510745 has 8 divisors (see below), whose sum is σ = 257695560. Its totient is φ = 171420160.

The previous prime is 214510727. The next prime is 214510753. The reversal of 214510745 is 547015412.

It can be written as a sum of positive squares in 4 ways, for example, as 5216656 + 209294089 = 2284^2 + 14467^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-214510745 is a prime.

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, 18446 + ... + 27735.

It is an arithmetic number, because the mean of its divisors is an integer number (32211945).

Almost surely, 2^214510745 is an apocalyptic number.

It is an amenable number.

214510745 is a deficient number, since it is larger than the sum of its proper divisors (43184815).

214510745 is an equidigital number, since it uses as much as digits as its factorization.

214510745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47115.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 214510745 is about 14646.1853395347. The cubic root of 214510745 is about 598.6178788651.

The spelling of 214510745 in words is "two hundred fourteen million, five hundred ten thousand, seven hundred forty-five".