214105 has 4 divisors (see below), whose sum is σ = 256932. Its totient is φ = 171280.

The previous prime is 214091. The next prime is 214129. The reversal of 214105 is 501412.

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 36864 + 177241 = 192^2 + 421^2 .

It is not a de Polignac number, because 214105 - 2⁷ = 213977 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

214105 is a lucky number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21406 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (64233).

2²¹⁴¹⁰⁵ is an apocalyptic number.

It is an amenable number.

214105 is a deficient number, since it is larger than the sum of its proper divisors (42827).

214105 is an equidigital number, since it uses as much as digits as its factorization.

214105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42826.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 214105 is about 462.7148149779. The cubic root of 214105 is about 59.8240214005.

Adding to 214105 its reverse (501412), we get a palindrome (715517).

The spelling of 214105 in words is "two hundred fourteen thousand, one hundred five".