345545128 has 32 divisors (see below), whose sum is σ = 700617600. Its totient is φ = 159146752.

The previous prime is 345545113. The next prime is 345545129. The reversal of 345545128 is 821545543.

345545128 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 (345545129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20638 + ... + 33421.

It is an arithmetic number, because the mean of its divisors is an integer number (21894300).

Almost surely, 2^345545128 is an apocalyptic number.

It is an amenable number.

345545128 is an abundant number, since it is smaller than the sum of its proper divisors (355072472).

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

345545128 is a wasteful number, since it uses less digits than its factorization.

345545128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54129 (or 54125 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 345545128 is about 18588.8441813901. The cubic root of 345545128 is about 701.7271147652.

The spelling of 345545128 in words is "three hundred forty-five million, five hundred forty-five thousand, one hundred twenty-eight".