345912448 has 64 divisors (see below), whose sum is σ = 792907200. Its totient is φ = 147244032.

The previous prime is 345912439. The next prime is 345912451. The reversal of 345912448 is 844219543.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 345912448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139443 + ... + 141901.

It is an arithmetic number, because the mean of its divisors is an integer number (12389175).

Almost surely, 2^345912448 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 345912448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396453600).

345912448 is an abundant number, since it is smaller than the sum of its proper divisors (446994752).

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

345912448 is a wasteful number, since it uses less digits than its factorization.

345912448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2625 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 345912448 is about 18598.7216765024. The cubic root of 345912448 is about 701.9756757615.

The spelling of 345912448 in words is "three hundred forty-five million, nine hundred twelve thousand, four hundred forty-eight".