342321345 has 12 divisors (see below), whose sum is σ = 593357076. Its totient is φ = 182571360.

The previous prime is 342321311. The next prime is 342321349. The reversal of 342321345 is 543123243.

It can be written as a sum of positive squares in 2 ways, for example, as 89415936 + 252905409 = 9456^2 + 15903^2 .

It is not a de Polignac number, because 342321345 - 2⁶ = 342321281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342321349) 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 11 ways as a sum of consecutive naturals, for example, 3803526 + ... + 3803615.

It is an arithmetic number, because the mean of its divisors is an integer number (49446423).

Almost surely, 2^342321345 is an apocalyptic number.

It is an amenable number.

342321345 is a deficient number, since it is larger than the sum of its proper divisors (251035731).

342321345 is a wasteful number, since it uses less digits than its factorization.

342321345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607152 (or 7607149 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 342321345 is about 18501.9281427639. The cubic root of 342321345 is about 699.5380251122.

Adding to 342321345 its reverse (543123243), we get a palindrome (885444588).

The spelling of 342321345 in words is "three hundred forty-two million, three hundred twenty-one thousand, three hundred forty-five".