345985512 has 16 divisors (see below), whose sum is σ = 864963840. Its totient is φ = 115328496.

The previous prime is 345985501. The next prime is 345985543. The reversal of 345985512 is 215589543.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7208008 + ... + 7208055.

It is an arithmetic number, because the mean of its divisors is an integer number (54060240).

Almost surely, 2^345985512 is an apocalyptic number.

It is an amenable number.

345985512 is an abundant number, since it is smaller than the sum of its proper divisors (518978328).

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

345985512 is a wasteful number, since it uses less digits than its factorization.

345985512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416072 (or 14416068 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 345985512 is about 18600.6857938088. The cubic root of 345985512 is about 702.0250963017.

The spelling of 345985512 in words is "three hundred forty-five million, nine hundred eighty-five thousand, five hundred twelve".