117065345 has 4 divisors (see below), whose sum is σ = 140478420. Its totient is φ = 93652272.

The previous prime is 117065321. The next prime is 117065353. The reversal of 117065345 is 543560711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56490256 + 60575089 = 7516^2 + 7783^2 .

It is a cyclic number.

It is not a de Polignac number, because 117065345 - 2⁸ = 117065089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11706530 + ... + 11706539.

It is an arithmetic number, because the mean of its divisors is an integer number (35119605).

Almost surely, 2^117065345 is an apocalyptic number.

It is an amenable number.

117065345 is a deficient number, since it is larger than the sum of its proper divisors (23413075).

117065345 is an equidigital number, since it uses as much as digits as its factorization.

117065345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23413074.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 117065345 is about 10819.6739784524. The cubic root of 117065345 is about 489.1883620201.

The spelling of 117065345 in words is "one hundred seventeen million, sixty-five thousand, three hundred forty-five".