345666142621335 has 16 divisors (see below), whose sum is σ = 568013553281376. Its totient is φ = 179372701035648.

The previous prime is 345666142621313. The next prime is 345666142621361. The reversal of 345666142621335 is 533126241666543.

It is a happy number.

It is not a de Polignac number, because 345666142621335 - 2⁶ = 345666142621271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311410938744 + ... + 311410939853.

It is an arithmetic number, because the mean of its divisors is an integer number (35500847080086).

Almost surely, 2^{345666142621335} is an apocalyptic number.

345666142621335 is a deficient number, since it is larger than the sum of its proper divisors (222347410660041).

345666142621335 is a wasteful number, since it uses less digits than its factorization.

345666142621335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622821878642.

The product of its digits is 55987200, while the sum is 57.

The spelling of 345666142621335 in words is "three hundred forty-five trillion, six hundred sixty-six billion, one hundred forty-two million, six hundred twenty-one thousand, three hundred thirty-five".