345258284 has 24 divisors (see below), whose sum is σ = 712793088. Its totient is φ = 143194320.

The previous prime is 345258269. The next prime is 345258307. The reversal of 345258284 is 482852543.

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, 198014 + ... + 199749.

It is an arithmetic number, because the mean of its divisors is an integer number (29699712).

Almost surely, 2^345258284 is an apocalyptic number.

It is an amenable number.

345258284 is an abundant number, since it is smaller than the sum of its proper divisors (367534804).

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

345258284 is a wasteful number, since it uses less digits than its factorization.

345258284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397805 (or 397803 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

The square root of 345258284 is about 18581.1270917563. The cubic root of 345258284 is about 701.5328883876.

The spelling of 345258284 in words is "three hundred forty-five million, two hundred fifty-eight thousand, two hundred eighty-four".