345231256 has 16 divisors (see below), whose sum is σ = 647783640. Its totient is φ = 172488960.

The previous prime is 345231253. The next prime is 345231277. The reversal of 345231256 is 652132543.

It is a happy number.

345231256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345231253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3705 + ... + 26536.

Almost surely, 2^345231256 is an apocalyptic number.

It is an amenable number.

345231256 is a deficient number, since it is larger than the sum of its proper divisors (302552384).

345231256 is a wasteful number, since it uses less digits than its factorization.

345231256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31674 (or 31670 counting only the distinct ones).

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

The square root of 345231256 is about 18580.3997804138. The cubic root of 345231256 is about 701.5145817782.

Adding to 345231256 its reverse (652132543), we get a palindrome (997363799).

The spelling of 345231256 in words is "three hundred forty-five million, two hundred thirty-one thousand, two hundred fifty-six".