173749045 has 16 divisors (see below), whose sum is σ = 214629120. Its totient is φ = 134971200.

The previous prime is 173749039. The next prime is 173749067. The reversal of 173749045 is 540947371.

It is not a de Polignac number, because 173749045 - 2¹⁹ = 173224757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173748989 and 173749007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20490 + ... + 27700.

It is an arithmetic number, because the mean of its divisors is an integer number (13414320).

Almost surely, 2^173749045 is an apocalyptic number.

It is an amenable number.

173749045 is a deficient number, since it is larger than the sum of its proper divisors (40880075).

173749045 is an equidigital number, since it uses as much as digits as its factorization.

173749045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 173749045 is about 13181.3901011995. The cubic root of 173749045 is about 558.0084926102.

The spelling of 173749045 in words is "one hundred seventy-three million, seven hundred forty-nine thousand, forty-five".