214322345 has 8 divisors (see below), whose sum is σ = 258913800. Its totient is φ = 170306560.

The previous prime is 214322333. The next prime is 214322357. The reversal of 214322345 is 543223412.

It is an interprime number because it is at equal distance from previous prime (214322333) and next prime (214322357).

It can be written as a sum of positive squares in 4 ways, for example, as 811801 + 213510544 = 901^2 + 14612^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214322345 - 2¹² = 214318249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143096 + ... + 144585.

It is an arithmetic number, because the mean of its divisors is an integer number (32364225).

Almost surely, 2^214322345 is an apocalyptic number.

It is an amenable number.

214322345 is a deficient number, since it is larger than the sum of its proper divisors (44591455).

214322345 is a wasteful number, since it uses less digits than its factorization.

214322345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287835.

The product of its digits is 5760, while the sum is 26.

The square root of 214322345 is about 14639.7522178485. The cubic root of 214322345 is about 598.4425766259.

Adding to 214322345 its reverse (543223412), we get a palindrome (757545757).

The spelling of 214322345 in words is "two hundred fourteen million, three hundred twenty-two thousand, three hundred forty-five".