117445 has 8 divisors (see below), whose sum is σ = 143136. Its totient is φ = 92496.

The previous prime is 117443. The next prime is 117497. The reversal of 117445 is 544711.

117445 = T₆ + T₇ + ... + T₈₈.

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

It is a cyclic number.

It is not a de Polignac number, because 117445 - 2¹ = 117443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 556.

It is an arithmetic number, because the mean of its divisors is an integer number (17892).

2¹¹⁷⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

117445 is a deficient number, since it is larger than the sum of its proper divisors (25691).

117445 is an equidigital number, since it uses as much as digits as its factorization.

117445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its digits is 560, while the sum is 22.

The square root of 117445 is about 342.7024948844. The cubic root of 117445 is about 48.9716620819.

The spelling of 117445 in words is "one hundred seventeen thousand, four hundred forty-five".