345213256 has 32 divisors (see below), whose sum is σ = 693685440. Its totient is φ = 160636608.

The previous prime is 345213251. The next prime is 345213269. The reversal of 345213256 is 652312543.

It is a happy number.

345213256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (345213251) 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 in 7 ways as a sum of consecutive naturals, for example, 18546 + ... + 32161.

It is an arithmetic number, because the mean of its divisors is an integer number (21677670).

Almost surely, 2^345213256 is an apocalyptic number.

It is an amenable number.

345213256 is an abundant number, since it is smaller than the sum of its proper divisors (348472184).

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

345213256 is a wasteful number, since it uses less digits than its factorization.

345213256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50773 (or 50769 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 345213256 is about 18579.9153927029. The cubic root of 345213256 is about 701.5023894851.

Adding to 345213256 its reverse (652312543), we get a palindrome (997525799).

The spelling of 345213256 in words is "three hundred forty-five million, two hundred thirteen thousand, two hundred fifty-six".