345203255 has 4 divisors (see below), whose sum is σ = 414243912. Its totient is φ = 276162600.

The previous prime is 345203239. The next prime is 345203263. The reversal of 345203255 is 552302543.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 345203255 - 2⁴ = 345203239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34520321 + ... + 34520330.

It is an arithmetic number, because the mean of its divisors is an integer number (103560978).

Almost surely, 2^345203255 is an apocalyptic number.

345203255 is a deficient number, since it is larger than the sum of its proper divisors (69040657).

345203255 is an equidigital number, since it uses as much as digits as its factorization.

345203255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69040656.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 345203255 is about 18579.6462560513. The cubic root of 345203255 is about 701.4956151285.

Adding to 345203255 its reverse (552302543), we get a palindrome (897505798).

The spelling of 345203255 in words is "three hundred forty-five million, two hundred three thousand, two hundred fifty-five".