214115345 has 4 divisors (see below), whose sum is σ = 256938420. Its totient is φ = 171292272.

The previous prime is 214115311. The next prime is 214115413. The reversal of 214115345 is 543511412.

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 26863489 + 187251856 = 5183^2 + 13684^2 .

It is a cyclic number.

It is not a de Polignac number, because 214115345 - 2⁶ = 214115281 is a prime.

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, 21411530 + ... + 21411539.

It is an arithmetic number, because the mean of its divisors is an integer number (64234605).

Almost surely, 2^214115345 is an apocalyptic number.

It is an amenable number.

214115345 is a deficient number, since it is larger than the sum of its proper divisors (42823075).

214115345 is an equidigital number, since it uses as much as digits as its factorization.

214115345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42823074.

The product of its digits is 2400, while the sum is 26.

The square root of 214115345 is about 14632.6807181733. The cubic root of 214115345 is about 598.2498489901.

Adding to 214115345 its reverse (543511412), we get a palindrome (757626757).

The spelling of 214115345 in words is "two hundred fourteen million, one hundred fifteen thousand, three hundred forty-five".