214002345 has 16 divisors (see below), whose sum is σ = 343878912. Its totient is φ = 113642880.

The previous prime is 214002323. The next prime is 214002353. The reversal of 214002345 is 543200412.

It is not a de Polignac number, because 214002345 - 2¹² = 213998249 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 15 ways as a sum of consecutive naturals, for example, 27121 + ... + 34110.

It is an arithmetic number, because the mean of its divisors is an integer number (21492432).

Almost surely, 2^214002345 is an apocalyptic number.

It is an amenable number.

214002345 is a deficient number, since it is larger than the sum of its proper divisors (129876567).

214002345 is a wasteful number, since it uses less digits than its factorization.

214002345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61472.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 214002345 is about 14628.8189885582. The cubic root of 214002345 is about 598.1445877677.

Adding to 214002345 its reverse (543200412), we get a palindrome (757202757).

The spelling of 214002345 in words is "two hundred fourteen million, two thousand, three hundred forty-five".