214512045 has 16 divisors (see below), whose sum is σ = 374421312. Its totient is φ = 104005760.

The previous prime is 214512037. The next prime is 214512073. The reversal of 214512045 is 540215412.

214512045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214512045 - 2³ = 214512037 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649872 + ... + 650201.

It is an arithmetic number, because the mean of its divisors is an integer number (23401332).

Almost surely, 2^214512045 is an apocalyptic number.

It is an amenable number.

214512045 is a deficient number, since it is larger than the sum of its proper divisors (159909267).

214512045 is a wasteful number, since it uses less digits than its factorization.

214512045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300092.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 214512045 is about 14646.2297196241. The cubic root of 214512045 is about 598.6190881311.

Adding to 214512045 its reverse (540215412), we get a palindrome (754727457).

The spelling of 214512045 in words is "two hundred fourteen million, five hundred twelve thousand, forty-five".