345102210 has 96 divisors (see below), whose sum is σ = 966401280. Its totient is φ = 85123584.

The previous prime is 345102209. The next prime is 345102223. The reversal of 345102210 is 12201543.

345102210 is a `hidden beast` number, since 3 + 451 + 0 + 2 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 88359 + ... + 92181.

It is an arithmetic number, because the mean of its divisors is an integer number (10066680).

Almost surely, 2^345102210 is an apocalyptic number.

345102210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345102210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483200640).

345102210 is an abundant number, since it is smaller than the sum of its proper divisors (621299070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345102210 is a wasteful number, since it uses less digits than its factorization.

345102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 345102210 is about 18576.9268179643. The cubic root of 345102210 is about 701.4271631459.

Adding to 345102210 its reverse (12201543), we get a palindrome (357303753).

The spelling of 345102210 in words is "three hundred forty-five million, one hundred two thousand, two hundred ten".