345143205 has 24 divisors (see below), whose sum is σ = 652635360. Its totient is φ = 167341920.

The previous prime is 345143191. The next prime is 345143219. The reversal of 345143205 is 502341543.

345143205 is a `hidden beast` number, since 3 + 451 + 4 + 3 + 205 = 666.

It is an interprime number because it is at equal distance from previous prime (345143191) and next prime (345143219).

It is not a de Polignac number, because 345143205 - 2⁵ = 345143173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348135 + ... + 349124.

It is an arithmetic number, because the mean of its divisors is an integer number (27193140).

Almost surely, 2^345143205 is an apocalyptic number.

It is an amenable number.

345143205 is a deficient number, since it is larger than the sum of its proper divisors (307492155).

345143205 is a wasteful number, since it uses less digits than its factorization.

345143205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697281 (or 697278 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 345143205 is about 18578.0301700692. The cubic root of 345143205 is about 701.4549364327.

Adding to 345143205 its reverse (502341543), we get a palindrome (847484748).

It can be divided in two parts, 3451 and 43205, that added together give a 6-th power (46656 = 6⁶).

The spelling of 345143205 in words is "three hundred forty-five million, one hundred forty-three thousand, two hundred five".