345405033205 has 8 divisors (see below), whose sum is σ = 424595455704. Its totient is φ = 269584416000.

The previous prime is 345405033167. The next prime is 345405033251. The reversal of 345405033205 is 502330504543.

It can be written as a sum of positive squares in 4 ways, for example, as 2488213924 + 342916819281 = 49882^2 + 585591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-345405033205 is a prime.

It is a Duffinian number.

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, 842451096 + ... + 842451505.

It is an arithmetic number, because the mean of its divisors is an integer number (53074431963).

Almost surely, 2^345405033205 is an apocalyptic number.

It is an amenable number.

345405033205 is a deficient number, since it is larger than the sum of its proper divisors (79190422499).

345405033205 is a wasteful number, since it uses less digits than its factorization.

345405033205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684902647.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 345405033205 its reverse (502330504543), we get a palindrome (847735537748).

The spelling of 345405033205 in words is "three hundred forty-five billion, four hundred five million, thirty-three thousand, two hundred five".