345377223075641 has 4 divisors (see below), whose sum is σ = 345377260460772. Its totient is φ = 345377185690512.

The previous prime is 345377223075637. The next prime is 345377223075649. The reversal of 345377223075641 is 146570322773543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9858469632400 + 335518753443241 = 3139820^2 + 18317171^2 .

It is a cyclic number.

It is not a de Polignac number, because 345377223075641 - 2² = 345377223075637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345377223075649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6333275 + ... + 27034511.

It is an arithmetic number, because the mean of its divisors is an integer number (86344315115193).

Almost surely, 2^{345377223075641} is an apocalyptic number.

It is an amenable number.

345377223075641 is a deficient number, since it is larger than the sum of its proper divisors (37385131).

345377223075641 is a wasteful number, since it uses less digits than its factorization.

345377223075641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37385130.

The product of its (nonzero) digits is 88905600, while the sum is 59.

The spelling of 345377223075641 in words is "three hundred forty-five trillion, three hundred seventy-seven billion, two hundred twenty-three million, seventy-five thousand, six hundred forty-one".