116445 has 16 divisors (see below), whose sum is σ = 213120. Its totient is φ = 53184.

The previous prime is 116443. The next prime is 116447. The reversal of 116445 is 544611.

It is an interprime number because it is at equal distance from previous prime (116443) and next prime (116447).

It is not a de Polignac number, because 116445 - 2¹ = 116443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450 + ... + 659.

It is an arithmetic number, because the mean of its divisors is an integer number (13320).

2¹¹⁶⁴⁴⁵ is an apocalyptic number.

116445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116445 is a deficient number, since it is larger than the sum of its proper divisors (96675).

116445 is a wasteful number, since it uses less digits than its factorization.

116445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its digits is 480, while the sum is 21.

The square root of 116445 is about 341.2403844799. The cubic root of 116445 is about 48.8322739568.

It can be divided in two parts, 116 and 445, that added together give a triangular number (561 = T₃₃).

The spelling of 116445 in words is "one hundred sixteen thousand, four hundred forty-five".