343605222545 has 8 divisors (see below), whose sum is σ = 444043672296. Its totient is φ = 253739241216.

The previous prime is 343605222539. The next prime is 343605222577. The reversal of 343605222545 is 545222506343.

It can be written as a sum of positive squares in 4 ways, for example, as 21706718224 + 321898504321 = 147332^2 + 567361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343605222545 - 2¹⁶ = 343605157009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643117032 + ... + 2643117161.

It is an arithmetic number, because the mean of its divisors is an integer number (55505459037).

Almost surely, 2^343605222545 is an apocalyptic number.

It is an amenable number.

343605222545 is a deficient number, since it is larger than the sum of its proper divisors (100438449751).

343605222545 is a wasteful number, since it uses less digits than its factorization.

343605222545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286234211.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 343605222545 its reverse (545222506343), we get a palindrome (888827728888).

The spelling of 343605222545 in words is "three hundred forty-three billion, six hundred five million, two hundred twenty-two thousand, five hundred forty-five".