345555568 has 20 divisors (see below), whose sum is σ = 685085368. Its totient is φ = 168759360.

The previous prime is 345555547. The next prime is 345555569. The reversal of 345555568 is 865555543.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345555569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250443 + ... + 251818.

Almost surely, 2^345555568 is an apocalyptic number.

It is an amenable number.

345555568 is a deficient number, since it is larger than the sum of its proper divisors (339529800).

345555568 is a wasteful number, since it uses less digits than its factorization.

345555568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502312 (or 502306 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 46.

The square root of 345555568 is about 18589.1249928554. The cubic root of 345555568 is about 701.7341818183.

The spelling of 345555568 in words is "three hundred forty-five million, five hundred fifty-five thousand, five hundred sixty-eight".