214415345 has 4 divisors (see below), whose sum is σ = 257298420. Its totient is φ = 171532272.

The previous prime is 214415309. The next prime is 214415359. The reversal of 214415345 is 543514412.

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 52591504 + 161823841 = 7252^2 + 12721^2 .

It is a cyclic number.

It is not a de Polignac number, because 214415345 - 2¹⁶ = 214349809 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, 21441530 + ... + 21441539.

It is an arithmetic number, because the mean of its divisors is an integer number (64324605).

Almost surely, 2^214415345 is an apocalyptic number.

It is an amenable number.

214415345 is a deficient number, since it is larger than the sum of its proper divisors (42883075).

214415345 is an equidigital number, since it uses as much as digits as its factorization.

214415345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42883074.

The product of its digits is 9600, while the sum is 29.

The square root of 214415345 is about 14642.9281566222. The cubic root of 214415345 is about 598.5291240047.

Adding to 214415345 its reverse (543514412), we get a palindrome (757929757).

The spelling of 214415345 in words is "two hundred fourteen million, four hundred fifteen thousand, three hundred forty-five".