173250745 has 4 divisors (see below), whose sum is σ = 207900900. Its totient is φ = 138600592.

The previous prime is 173250739. The next prime is 173250767. The reversal of 173250745 is 547052371.

173250745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547052371 = 137 ⋅3993083.

It can be written as a sum of positive squares in 2 ways, for example, as 115369081 + 57881664 = 10741^2 + 7608^2 .

It is a cyclic number.

It is not a de Polignac number, because 173250745 - 2²⁵ = 139696313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173250745.

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, 17325070 + ... + 17325079.

It is an arithmetic number, because the mean of its divisors is an integer number (51975225).

Almost surely, 2^173250745 is an apocalyptic number.

It is an amenable number.

173250745 is a deficient number, since it is larger than the sum of its proper divisors (34650155).

173250745 is an equidigital number, since it uses as much as digits as its factorization.

173250745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34650154.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 173250745 is about 13162.4748812676. The cubic root of 173250745 is about 557.4745388440.

The spelling of 173250745 in words is "one hundred seventy-three million, two hundred fifty thousand, seven hundred forty-five".