345645214 has 4 divisors (see below), whose sum is σ = 518467824. Its totient is φ = 172822606.

The previous prime is 345645199. The next prime is 345645221. The reversal of 345645214 is 412546543.

345645214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×345645214³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 345645214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86411302 + ... + 86411305.

It is an arithmetic number, because the mean of its divisors is an integer number (129616956).

Almost surely, 2^345645214 is an apocalyptic number.

345645214 is a deficient number, since it is larger than the sum of its proper divisors (172822610).

345645214 is a wasteful number, since it uses less digits than its factorization.

345645214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172822609.

The product of its digits is 57600, while the sum is 34.

The square root of 345645214 is about 18591.5360850038. The cubic root of 345645214 is about 701.7948592019.

The spelling of 345645214 in words is "three hundred forty-five million, six hundred forty-five thousand, two hundred fourteen".