173845 has 8 divisors (see below), whose sum is σ = 238464. Its totient is φ = 119184.

The previous prime is 173839. The next prime is 173851. The reversal of 173845 is 548371.

173845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (173839) and next prime (173851).

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

It is a cyclic number.

It is not a de Polignac number, because 173845 - 2¹³ = 165653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

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, 2449 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (29808).

2¹⁷³⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

173845 is a deficient number, since it is larger than the sum of its proper divisors (64619).

173845 is an equidigital number, since it uses as much as digits as its factorization.

173845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979.

The product of its digits is 3360, while the sum is 28.

The square root of 173845 is about 416.9472388684. The cubic root of 173845 is about 55.8111196007.

It can be divided in two parts, 1738 and 45, that multiplied together give a triangular number (78210 = T₃₉₅).

The spelling of 173845 in words is "one hundred seventy-three thousand, eight hundred forty-five".