345345234 has 16 divisors (see below), whose sum is σ = 743820672. Its totient is φ = 106260048.

The previous prime is 345345233. The next prime is 345345251. The reversal of 345345234 is 432543543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 345345195 and 345345204.

It is not an unprimeable number, because it can be changed into a prime (345345233) 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 7 ways as a sum of consecutive naturals, for example, 2213674 + ... + 2213829.

It is an arithmetic number, because the mean of its divisors is an integer number (46488792).

Almost surely, 2^345345234 is an apocalyptic number.

345345234 is an abundant number, since it is smaller than the sum of its proper divisors (398475438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345345234 is a wasteful number, since it uses less digits than its factorization.

345345234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427521.

The product of its digits is 86400, while the sum is 33.

The square root of 345345234 is about 18583.4666841254. The cubic root of 345345234 is about 701.5917748962.

Adding to 345345234 its reverse (432543543), we get a palindrome (777888777).

The spelling of 345345234 in words is "three hundred forty-five million, three hundred forty-five thousand, two hundred thirty-four".