345053215052 has 72 divisors (see below), whose sum is σ = 756667941120. Its totient is φ = 136467555840.

The previous prime is 345053215009. The next prime is 345053215061. The reversal of 345053215052 is 250512350543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10580852 + ... + 10613412.

It is an arithmetic number, because the mean of its divisors is an integer number (10509276960).

Almost surely, 2^345053215052 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 345053215052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378333970560).

345053215052 is an abundant number, since it is smaller than the sum of its proper divisors (411614726068).

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

345053215052 is a wasteful number, since it uses less digits than its factorization.

345053215052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36751 (or 36742 counting only the distinct ones).

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

Adding to 345053215052 its reverse (250512350543), we get a palindrome (595565565595).

The spelling of 345053215052 in words is "three hundred forty-five billion, fifty-three million, two hundred fifteen thousand, fifty-two".