345511255 has 4 divisors (see below), whose sum is σ = 414613512. Its totient is φ = 276409000.

The previous prime is 345511237. The next prime is 345511301. The reversal of 345511255 is 552115543.

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

It is not a de Polignac number, because 345511255 - 2⁹ = 345510743 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 34551121 + ... + 34551130.

It is an arithmetic number, because the mean of its divisors is an integer number (103653378).

Almost surely, 2^345511255 is an apocalyptic number.

345511255 is a deficient number, since it is larger than the sum of its proper divisors (69102257).

345511255 is an equidigital number, since it uses as much as digits as its factorization.

345511255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69102256.

The product of its digits is 15000, while the sum is 31.

The square root of 345511255 is about 18587.9330480826. The cubic root of 345511255 is about 701.7041844469.

Adding to 345511255 its reverse (552115543), we get a palindrome (897626798).

The spelling of 345511255 in words is "three hundred forty-five million, five hundred eleven thousand, two hundred fifty-five".