345424424 has 8 divisors (see below), whose sum is σ = 647670810. Its totient is φ = 172712208.

The previous prime is 345424421. The next prime is 345424441. The reversal of 345424424 is 424424543.

It can be written as a sum of positive squares in only one way, i.e., 277888900 + 67535524 = 16670^2 + 8218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (345424421) 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 as a sum of consecutive naturals, namely, 21589019 + ... + 21589034.

Almost surely, 2^345424424 is an apocalyptic number.

It is an amenable number.

345424424 is a deficient number, since it is larger than the sum of its proper divisors (302246386).

345424424 is a wasteful number, since it uses less digits than its factorization.

345424424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43178059 (or 43178055 counting only the distinct ones).

The product of its digits is 61440, while the sum is 32.

The square root of 345424424 is about 18585.5972193524. The cubic root of 345424424 is about 701.6453973789.

Adding to 345424424 its reverse (424424543), we get a palindrome (769848967).

The spelling of 345424424 in words is "three hundred forty-five million, four hundred twenty-four thousand, four hundred twenty-four".