345120208 has 20 divisors (see below), whose sum is σ = 678090528. Its totient is φ = 170129120.

The previous prime is 345120203. The next prime is 345120211. The reversal of 345120208 is 802021543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345120203) 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, 150766 + ... + 153037.

Almost surely, 2^345120208 is an apocalyptic number.

It is an amenable number.

345120208 is a deficient number, since it is larger than the sum of its proper divisors (332970320).

345120208 is a wasteful number, since it uses less digits than its factorization.

345120208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303882 (or 303876 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 345120208 is about 18577.4112297704. The cubic root of 345120208 is about 701.4393566992.

Adding to 345120208 its product of nonzero digits (1920), we get a triangular number (345122128 = T₂₆₂₇₂).

The spelling of 345120208 in words is "three hundred forty-five million, one hundred twenty thousand, two hundred eight".