345564405 has 24 divisors (see below), whose sum is σ = 600164448. Its totient is φ = 183936096.

The previous prime is 345564403. The next prime is 345564449. The reversal of 345564405 is 504465543.

345564405 is a `hidden beast` number, since 3 + 4 + 5 + 5 + 644 + 0 + 5 = 666.

It is not a de Polignac number, because 345564405 - 2¹ = 345564403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345564405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345564403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16194 + ... + 30876.

It is an arithmetic number, because the mean of its divisors is an integer number (25006852).

Almost surely, 2^345564405 is an apocalyptic number.

It is an amenable number.

345564405 is a deficient number, since it is larger than the sum of its proper divisors (254600043).

345564405 is a wasteful number, since it uses less digits than its factorization.

345564405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15217 (or 15214 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 345564405 is about 18589.3626840728. The cubic root of 345564405 is about 701.7401636561.

The spelling of 345564405 in words is "three hundred forty-five million, five hundred sixty-four thousand, four hundred five".