345740306342252 has 24 divisors (see below), whose sum is σ = 640742288590656. Its totient is φ = 162674440986368.

The previous prime is 345740306342227. The next prime is 345740306342297. The reversal of 345740306342252 is 252243603047543.

It is a self number, because there is not a number n which added to its sum of digits gives 345740306342252.

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 7 ways as a sum of consecutive naturals, for example, 419579828 + ... + 420403035.

It is an arithmetic number, because the mean of its divisors is an integer number (26697595357944).

Almost surely, 2^{345740306342252} is an apocalyptic number.

It is an amenable number.

345740306342252 is a deficient number, since it is larger than the sum of its proper divisors (295001982248404).

345740306342252 is a wasteful number, since it uses less digits than its factorization.

345740306342252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839988937 (or 839988935 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 50.

Adding to 345740306342252 its reverse (252243603047543), we get a palindrome (597983909389795).

The spelling of 345740306342252 in words is "three hundred forty-five trillion, seven hundred forty billion, three hundred six million, three hundred forty-two thousand, two hundred fifty-two".