345315234 has 32 divisors (see below), whose sum is σ = 793071360. Its totient is φ = 99133200.

The previous prime is 345315221. The next prime is 345315287. The reversal of 345315234 is 432513543.

It is a super-2 number, since 2×345315234² = 238485221664949512, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 136432 + ... + 138939.

It is an arithmetic number, because the mean of its divisors is an integer number (24783480).

Almost surely, 2^345315234 is an apocalyptic number.

345315234 is an abundant number, since it is smaller than the sum of its proper divisors (447756126).

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

345315234 is a wasteful number, since it uses less digits than its factorization.

345315234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275406.

The product of its digits is 21600, while the sum is 30.

The square root of 345315234 is about 18582.6594974993. The cubic root of 345315234 is about 701.5714586439.

Adding to 345315234 its reverse (432513543), we get a palindrome (777828777).

The spelling of 345315234 in words is "three hundred forty-five million, three hundred fifteen thousand, two hundred thirty-four".