214305146 has 16 divisors (see below), whose sum is σ = 351930528. Its totient is φ = 97064400.

The previous prime is 214305131. The next prime is 214305167. The reversal of 214305146 is 641503412.

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, 10985 + ... + 23436.

It is an arithmetic number, because the mean of its divisors is an integer number (21995658).

Almost surely, 2^214305146 is an apocalyptic number.

214305146 is a deficient number, since it is larger than the sum of its proper divisors (137625382).

214305146 is a wasteful number, since it uses less digits than its factorization.

214305146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34717.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 214305146 is about 14639.1647985806. The cubic root of 214305146 is about 598.4265682015.

Adding to 214305146 its reverse (641503412), we get a palindrome (855808558).

The spelling of 214305146 in words is "two hundred fourteen million, three hundred five thousand, one hundred forty-six".