214045 has 16 divisors (see below), whose sum is σ = 287280. Its totient is φ = 152064.

The previous prime is 214043. The next prime is 214051. The reversal of 214045 is 540412.

214045 = T₃₆ + T₃₇ + ... + T₁₀₉.

It can be written as a sum of positive squares in 8 ways, for example, as 8836 + 205209 = 94^2 + 453^2 .

It is a cyclic number.

It is not a de Polignac number, because 214045 - 2¹ = 214043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2²¹⁴⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

214045 is a deficient number, since it is larger than the sum of its proper divisors (73235).

214045 is a wasteful number, since it uses less digits than its factorization.

214045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 214045 is about 462.6499756836. The cubic root of 214045 is about 59.8184325903.

Adding to 214045 its reverse (540412), we get a palindrome (754457).

The spelling of 214045 in words is "two hundred fourteen thousand, forty-five".