345504345 has 32 divisors (see below), whose sum is σ = 586631808. Its totient is φ = 173042688.

The previous prime is 345504343. The next prime is 345504353. The reversal of 345504345 is 543405543.

It is not a de Polignac number, because 345504345 - 2¹ = 345504343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345504343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138247 + ... + 140723.

It is an arithmetic number, because the mean of its divisors is an integer number (18332244).

Almost surely, 2^345504345 is an apocalyptic number.

It is an amenable number.

345504345 is a deficient number, since it is larger than the sum of its proper divisors (241127463).

345504345 is a wasteful number, since it uses less digits than its factorization.

345504345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 72000, while the sum is 33.

The square root of 345504345 is about 18587.7471738777. The cubic root of 345504345 is about 701.6995065402.

Adding to 345504345 its reverse (543405543), we get a palindrome (888909888).

The spelling of 345504345 in words is "three hundred forty-five million, five hundred four thousand, three hundred forty-five".