345173445 has 24 divisors (see below), whose sum is σ = 599629056. Its totient is φ = 183683808.

The previous prime is 345173431. The next prime is 345173447. The reversal of 345173445 is 544371543.

345173445 is a `hidden beast` number, since 3 + 45 + 173 + 445 = 666.

It is not a de Polignac number, because 345173445 - 2⁴ = 345173429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345173447) 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, 12552 + ... + 29118.

It is an arithmetic number, because the mean of its divisors is an integer number (24984544).

Almost surely, 2^345173445 is an apocalyptic number.

It is an amenable number.

345173445 is a deficient number, since it is larger than the sum of its proper divisors (254455611).

345173445 is a wasteful number, since it uses less digits than its factorization.

345173445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17041 (or 17038 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 345173445 is about 18578.8440167843. The cubic root of 345173445 is about 701.4754220142.

The spelling of 345173445 in words is "three hundred forty-five million, one hundred seventy-three thousand, four hundred forty-five".