116845645 has 12 divisors (see below), whose sum is σ = 163107324. Its totient is φ = 80122560.

The previous prime is 116845643. The next prime is 116845691. The reversal of 116845645 is 546548611.

It can be written as a sum of positive squares in 2 ways, for example, as 61685316 + 55160329 = 7854^2 + 7427^2 .

It is not a de Polignac number, because 116845645 - 2¹ = 116845643 is a prime.

It is a super-3 number, since 3×116845645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116845598 and 116845607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116845643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238216 + ... + 238705.

It is an arithmetic number, because the mean of its divisors is an integer number (13592277).

Almost surely, 2^116845645 is an apocalyptic number.

It is an amenable number.

116845645 is a deficient number, since it is larger than the sum of its proper divisors (46261679).

116845645 is an equidigital number, since it uses as much as digits as its factorization.

116845645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476940 (or 476933 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 116845645 is about 10809.5164091647. The cubic root of 116845645 is about 488.8821456160.

The spelling of 116845645 in words is "one hundred sixteen million, eight hundred forty-five thousand, six hundred forty-five".