345506448 has 120 divisors (see below), whose sum is σ = 1053414720. Its totient is φ = 97278720.

The previous prime is 345506443. The next prime is 345506459. The reversal of 345506448 is 844605543.

It is not an unprimeable number, because it can be changed into a prime (345506443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165958 + ... + 168026.

It is an arithmetic number, because the mean of its divisors is an integer number (8778456).

Almost surely, 2^345506448 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 345506448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526707360).

345506448 is an abundant number, since it is smaller than the sum of its proper divisors (707908272).

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

345506448 is a wasteful number, since it uses less digits than its factorization.

345506448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 345506448 is about 18587.8037433151. The cubic root of 345506448 is about 701.7009302281.

The spelling of 345506448 in words is "three hundred forty-five million, five hundred six thousand, four hundred forty-eight".