345219128 has 32 divisors (see below), whose sum is σ = 653562000. Its totient is φ = 170945280.

The previous prime is 345219109. The next prime is 345219137. The reversal of 345219128 is 821912543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606428 + ... + 606996.

Almost surely, 2^345219128 is an apocalyptic number.

It is an amenable number.

345219128 is a deficient number, since it is larger than the sum of its proper divisors (308342872).

345219128 is a wasteful number, since it uses less digits than its factorization.

345219128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1171 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 345219128 is about 18580.0734121262. The cubic root of 345219128 is about 701.5063669286.

The spelling of 345219128 in words is "three hundred forty-five million, two hundred nineteen thousand, one hundred twenty-eight".