345142605203 has 16 divisors (see below), whose sum is σ = 391354419456. Its totient is φ = 301607670240.

The previous prime is 345142605133. The next prime is 345142605233. The reversal of 345142605203 is 302506241543.

It is a cyclic number.

It is not a de Polignac number, because 345142605203 - 2¹⁰ = 345142604179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345142605233) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5074751 + ... + 5142312.

It is an arithmetic number, because the mean of its divisors is an integer number (24459651216).

Almost surely, 2^345142605203 is an apocalyptic number.

345142605203 is a deficient number, since it is larger than the sum of its proper divisors (46211814253).

345142605203 is a wasteful number, since it uses less digits than its factorization.

345142605203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217194.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 345142605203 its reverse (302506241543), we get a palindrome (647648846746).

The spelling of 345142605203 in words is "three hundred forty-five billion, one hundred forty-two million, six hundred five thousand, two hundred three".