214043045 has 4 divisors (see below), whose sum is σ = 256851660. Its totient is φ = 171234432.

The previous prime is 214043033. The next prime is 214043047. The reversal of 214043045 is 540340412.

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 49126081 + 164916964 = 7009^2 + 12842^2 .

It is a cyclic number.

It is not a de Polignac number, because 214043045 - 2¹⁰ = 214042021 is a prime.

It is a super-2 number, since 2×214043045² = 91628850225744050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214043045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214043047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21404300 + ... + 21404309.

It is an arithmetic number, because the mean of its divisors is an integer number (64212915).

Almost surely, 2^214043045 is an apocalyptic number.

It is an amenable number.

214043045 is a deficient number, since it is larger than the sum of its proper divisors (42808615).

214043045 is an equidigital number, since it uses as much as digits as its factorization.

214043045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42808614.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 214043045 is about 14630.2100121632. The cubic root of 214043045 is about 598.1825047067.

Adding to 214043045 its reverse (540340412), we get a palindrome (754383457).

The spelling of 214043045 in words is "two hundred fourteen million, forty-three thousand, forty-five".