345454443203312 has 80 divisors (see below), whose sum is σ = 699244537062720. Its totient is φ = 165022067460096.

The previous prime is 345454443203291. The next prime is 345454443203323. The reversal of 345454443203312 is 213302344454543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820414738 + ... + 1820604494.

It is an arithmetic number, because the mean of its divisors is an integer number (8740556713284).

Almost surely, 2^{345454443203312} is an apocalyptic number.

It is an amenable number.

345454443203312 is an abundant number, since it is smaller than the sum of its proper divisors (353790093859408).

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

345454443203312 is a wasteful number, since it uses less digits than its factorization.

345454443203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195610 (or 195604 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 47.

Adding to 345454443203312 its reverse (213302344454543), we get a palindrome (558756787657855).

The spelling of 345454443203312 in words is "three hundred forty-five trillion, four hundred fifty-four billion, four hundred forty-three million, two hundred three thousand, three hundred twelve".