173102145 has 8 divisors (see below), whose sum is σ = 276963456. Its totient is φ = 92321136.

The previous prime is 173102107. The next prime is 173102161. The reversal of 173102145 is 541201371.

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

It is not a de Polignac number, because 173102145 - 2¹⁶ = 173036609 is a prime.

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, 5770057 + ... + 5770086.

It is an arithmetic number, because the mean of its divisors is an integer number (34620432).

Almost surely, 2^173102145 is an apocalyptic number.

173102145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

173102145 is a deficient number, since it is larger than the sum of its proper divisors (103861311).

173102145 is a wasteful number, since it uses less digits than its factorization.

173102145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11540151.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 173102145 is about 13156.8288352475. The cubic root of 173102145 is about 557.3151082408.

The spelling of 173102145 in words is "one hundred seventy-three million, one hundred two thousand, one hundred forty-five".