345065552 has 60 divisors (see below), whose sum is σ = 743730300. Its totient is φ = 154911744.

The previous prime is 345065537. The next prime is 345065561. The reversal of 345065552 is 255560543.

It can be written as a sum of positive squares in 6 ways, for example, as 85082176 + 259983376 = 9224^2 + 16124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98324 + ... + 101772.

It is an arithmetic number, because the mean of its divisors is an integer number (12395505).

Almost surely, 2^345065552 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 345065552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371865150).

345065552 is an abundant number, since it is smaller than the sum of its proper divisors (398664748).

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

345065552 is a wasteful number, since it uses less digits than its factorization.

345065552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520 (or 3501 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 345065552 is about 18575.9401377158. The cubic root of 345065552 is about 701.4023262263.

The spelling of 345065552 in words is "three hundred forty-five million, sixty-five thousand, five hundred fifty-two".