173994345 has 96 divisors (see below), whose sum is σ = 372643200. Its totient is φ = 76712832.

The previous prime is 173994307. The next prime is 173994347. The reversal of 173994345 is 543499371.

It is not a de Polignac number, because 173994345 - 2⁶ = 173994281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 173994345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173994347) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 191382 + ... + 192288.

It is an arithmetic number, because the mean of its divisors is an integer number (3881700).

Almost surely, 2^173994345 is an apocalyptic number.

173994345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

173994345 is an abundant number, since it is smaller than the sum of its proper divisors (198648855).

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

173994345 is a wasteful number, since it uses less digits than its factorization.

173994345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 951 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 173994345 is about 13190.6916043095. The cubic root of 173994345 is about 558.2709690993.

The spelling of 173994345 in words is "one hundred seventy-three million, nine hundred ninety-four thousand, three hundred forty-five".