173852345 has 4 divisors (see below), whose sum is σ = 208622820. Its totient is φ = 139081872.

The previous prime is 173852321. The next prime is 173852359. The reversal of 173852345 is 543258371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543258371 = 59 ⋅9207769.

It can be written as a sum of positive squares in 2 ways, for example, as 25694761 + 148157584 = 5069^2 + 12172^2 .

It is a cyclic number.

It is not a de Polignac number, because 173852345 - 2⁶ = 173852281 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 173852299 and 173852308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17385230 + ... + 17385239.

It is an arithmetic number, because the mean of its divisors is an integer number (52155705).

Almost surely, 2^173852345 is an apocalyptic number.

It is an amenable number.

173852345 is a deficient number, since it is larger than the sum of its proper divisors (34770475).

173852345 is an equidigital number, since it uses as much as digits as its factorization.

173852345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34770474.

The product of its digits is 100800, while the sum is 38.

The square root of 173852345 is about 13185.3079220775. The cubic root of 173852345 is about 558.1190560143.

The spelling of 173852345 in words is "one hundred seventy-three million, eight hundred fifty-two thousand, three hundred forty-five".