345522555 has 48 divisors (see below), whose sum is σ = 686859264. Its totient is φ = 157400640.

The previous prime is 345522553. The next prime is 345522563. The reversal of 345522555 is 555225543.

345522555 is a `hidden beast` number, since 34 + 55 + 22 + 555 = 666.

It is not a de Polignac number, because 345522555 - 2¹ = 345522553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345522553) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 96202 + ... + 99728.

It is an arithmetic number, because the mean of its divisors is an integer number (14309568).

Almost surely, 2^345522555 is an apocalyptic number.

345522555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345522555 is a deficient number, since it is larger than the sum of its proper divisors (341336709).

345522555 is a wasteful number, since it uses less digits than its factorization.

345522555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856 (or 3853 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 345522555 is about 18588.2370062360. The cubic root of 345522555 is about 701.7118341454.

The spelling of 345522555 in words is "three hundred forty-five million, five hundred twenty-two thousand, five hundred fifty-five".