345543442242 has 16 divisors (see below), whose sum is σ = 691123953792. Its totient is φ = 115174969200.

The previous prime is 345543442213. The next prime is 345543442247. The reversal of 345543442242 is 242244345543.

It is a junction number, because it is equal to n+sod(n) for n = 345543442194 and 345543442203.

It is not an unprimeable number, because it can be changed into a prime (345543442247) by changing a digit.

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, 1422634 + ... + 1647717.

It is an arithmetic number, because the mean of its divisors is an integer number (43195247112).

Almost surely, 2^345543442242 is an apocalyptic number.

345543442242 is an abundant number, since it is smaller than the sum of its proper divisors (345580511550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345543442242 is a wasteful number, since it uses less digits than its factorization.

345543442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089113.

The product of its digits is 1843200, while the sum is 42.

Adding to 345543442242 its reverse (242244345543), we get a palindrome (587787787785).

The spelling of 345543442242 in words is "three hundred forty-five billion, five hundred forty-three million, four hundred forty-two thousand, two hundred forty-two".