345442210 has 16 divisors (see below), whose sum is σ = 658372536. Its totient is φ = 130048768.

The previous prime is 345442199. The next prime is 345442241. The reversal of 345442210 is 12244543.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 239537529 + 105904681 = 15477^2 + 10291^2 .

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, 1015837 + ... + 1016176.

Almost surely, 2^345442210 is an apocalyptic number.

345442210 is a deficient number, since it is larger than the sum of its proper divisors (312930326).

345442210 is a wasteful number, since it uses less digits than its factorization.

345442210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032037.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 345442210 is about 18586.0757019872. The cubic root of 345442210 is about 701.6574398114.

Adding to 345442210 its reverse (12244543), we get a palindrome (357686753).

The spelling of 345442210 in words is "three hundred forty-five million, four hundred forty-two thousand, two hundred ten".