214430165 has 4 divisors (see below), whose sum is σ = 257316204. Its totient is φ = 171544128.

The previous prime is 214430159. The next prime is 214430179. The reversal of 214430165 is 561034412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160833124 + 53597041 = 12682^2 + 7321^2 .

It is a cyclic number.

It is not a de Polignac number, because 214430165 - 2⁸ = 214429909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21443012 + ... + 21443021.

It is an arithmetic number, because the mean of its divisors is an integer number (64329051).

Almost surely, 2^214430165 is an apocalyptic number.

It is an amenable number.

214430165 is a deficient number, since it is larger than the sum of its proper divisors (42886039).

214430165 is an equidigital number, since it uses as much as digits as its factorization.

214430165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42886038.

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

The square root of 214430165 is about 14643.4341942046. The cubic root of 214430165 is about 598.5429134364.

Adding to 214430165 its reverse (561034412), we get a palindrome (775464577).

The spelling of 214430165 in words is "two hundred fourteen million, four hundred thirty thousand, one hundred sixty-five".