345016854 has 128 divisors (see below), whose sum is σ = 959938560. Its totient is φ = 89424000.

The previous prime is 345016843. The next prime is 345016871. The reversal of 345016854 is 458610543.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 299179 + ... + 300329.

It is an arithmetic number, because the mean of its divisors is an integer number (7499520).

Almost surely, 2^345016854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345016854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479969280).

345016854 is an abundant number, since it is smaller than the sum of its proper divisors (614921706).

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

345016854 is a wasteful number, since it uses less digits than its factorization.

345016854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 345016854 is about 18574.6293098947. The cubic root of 345016854 is about 701.3693291168.

The spelling of 345016854 in words is "three hundred forty-five million, sixteen thousand, eight hundred fifty-four".