173133345 has 32 divisors (see below), whose sum is σ = 345369600. Its totient is φ = 71951040.

The previous prime is 173133341. The next prime is 173133347. The reversal of 173133345 is 543331371.

It is not a de Polignac number, because 173133345 - 2² = 173133341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173133341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73795 + ... + 76104.

It is an arithmetic number, because the mean of its divisors is an integer number (10792800).

Almost surely, 2^173133345 is an apocalyptic number.

173133345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

173133345 is a deficient number, since it is larger than the sum of its proper divisors (172236255).

173133345 is a wasteful number, since it uses less digits than its factorization.

173133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149925.

The product of its digits is 11340, while the sum is 30.

The square root of 173133345 is about 13158.0144778762. The cubic root of 173133345 is about 557.3485897954.

The spelling of 173133345 in words is "one hundred seventy-three million, one hundred thirty-three thousand, three hundred forty-five".