345235420042446 has 16 divisors (see below), whose sum is σ = 690775414809984. Its totient is φ = 115027710893304.

The previous prime is 345235420042319. The next prime is 345235420042517. The reversal of 345235420042446 is 644240024532543.

It is a junction number, because it is equal to n+sod(n) for n = 345235420042395 and 345235420042404.

It is a congruent 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, 12690598810 + ... + 12690626013.

It is an arithmetic number, because the mean of its divisors is an integer number (43173463425624).

Almost surely, 2^{345235420042446} is an apocalyptic number.

345235420042446 is an abundant number, since it is smaller than the sum of its proper divisors (345539994767538).

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

345235420042446 is a wasteful number, since it uses less digits than its factorization.

345235420042446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25381227095.

The product of its (nonzero) digits is 11059200, while the sum is 48.

Adding to 345235420042446 its reverse (644240024532543), we get a palindrome (989475444574989).

The spelling of 345235420042446 in words is "three hundred forty-five trillion, two hundred thirty-five billion, four hundred twenty million, forty-two thousand, four hundred forty-six".