345505381324 has 24 divisors (see below), whose sum is σ = 618752811600. Its totient is φ = 168719605824.

The previous prime is 345505381297. The next prime is 345505381381. The reversal of 345505381324 is 423183505543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 1899462 + ... + 2073394.

It is an arithmetic number, because the mean of its divisors is an integer number (25781367150).

Almost surely, 2^345505381324 is an apocalyptic number.

It is an amenable number.

345505381324 is a deficient number, since it is larger than the sum of its proper divisors (273247430276).

345505381324 is a wasteful number, since it uses less digits than its factorization.

345505381324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185529 (or 185527 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 345505381324 its reverse (423183505543), we get a palindrome (768688886867).

The spelling of 345505381324 in words is "three hundred forty-five billion, five hundred five million, three hundred eighty-one thousand, three hundred twenty-four".