345565544 has 16 divisors (see below), whose sum is σ = 663004320. Its totient is φ = 168764400.

The previous prime is 345565543. The next prime is 345565601. The reversal of 345565544 is 445565543.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (345565543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 501932 + ... + 502619.

It is an arithmetic number, because the mean of its divisors is an integer number (41437770).

Almost surely, 2^345565544 is an apocalyptic number.

It is an amenable number.

345565544 is a deficient number, since it is larger than the sum of its proper divisors (317438776).

345565544 is a wasteful number, since it uses less digits than its factorization.

345565544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004600 (or 1004596 counting only the distinct ones).

The product of its digits is 720000, while the sum is 41.

The square root of 345565544 is about 18589.3933198477. The cubic root of 345565544 is about 701.7409346471.

Subtracting 345565544 from its reverse (445565543), we obtain a palindrome (99999999).

The spelling of 345565544 in words is "three hundred forty-five million, five hundred sixty-five thousand, five hundred forty-four".