173106045 has 64 divisors (see below), whose sum is σ = 356106240. Its totient is φ = 78145344.

The previous prime is 173106007. The next prime is 173106083. The reversal of 173106045 is 540601371.

It is an interprime number because it is at equal distance from previous prime (173106007) and next prime (173106083).

It is not a de Polignac number, because 173106045 - 2¹² = 173101949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77332 + ... + 79538.

It is an arithmetic number, because the mean of its divisors is an integer number (5564160).

Almost surely, 2^173106045 is an apocalyptic number.

173106045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

173106045 is an abundant number, since it is smaller than the sum of its proper divisors (183000195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173106045 is a wasteful number, since it uses less digits than its factorization.

173106045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 173106045 is about 13156.9770464191. The cubic root of 173106045 is about 557.3192936551.

The spelling of 173106045 in words is "one hundred seventy-three million, one hundred six thousand, forty-five".