345246512 has 40 divisors (see below), whose sum is σ = 722807904. Its totient is φ = 158805504.

The previous prime is 345246509. The next prime is 345246529. The reversal of 345246512 is 215642543.

345246512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×345246512² = 238390308096332288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62453 + ... + 67755.

Almost surely, 2^345246512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345246512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361403952).

345246512 is an abundant number, since it is smaller than the sum of its proper divisors (377561392).

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

345246512 is a wasteful number, since it uses less digits than its factorization.

345246512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637 (or 5631 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 345246512 is about 18580.8103160223. The cubic root of 345246512 is about 701.5249150921.

The spelling of 345246512 in words is "three hundred forty-five million, two hundred forty-six thousand, five hundred twelve".