345208645438720 has 144 divisors (see below), whose sum is σ = 1000597412441088. Its totient is φ = 111395058647040.

The previous prime is 345208645438717. The next prime is 345208645438739. The reversal of 345208645438720 is 27834546802543.

It is a super-2 number, since 2×345208645438720² (a number of 30 digits) contains 22 as substring.

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, 1133016816 + ... + 1133321455.

It is an arithmetic number, because the mean of its divisors is an integer number (6948593141952).

Almost surely, 2^{345208645438720} is an apocalyptic number.

It is an amenable number.

345208645438720 is an abundant number, since it is smaller than the sum of its proper divisors (655388767002368).

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

345208645438720 is a wasteful number, since it uses less digits than its factorization.

345208645438720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266338316 (or 2266338302 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 61.

The spelling of 345208645438720 in words is "three hundred forty-five trillion, two hundred eight billion, six hundred forty-five million, four hundred thirty-eight thousand, seven hundred twenty".