117283345 has 4 divisors (see below), whose sum is σ = 140740020. Its totient is φ = 93826672.

The previous prime is 117283301. The next prime is 117283349. The reversal of 117283345 is 543382711.

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 27583504 + 89699841 = 5252^2 + 9471^2 .

It is a cyclic number.

It is not a de Polignac number, because 117283345 - 2⁹ = 117282833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117283345.

It is not an unprimeable number, because it can be changed into a prime (117283349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11728330 + ... + 11728339.

It is an arithmetic number, because the mean of its divisors is an integer number (35185005).

Almost surely, 2^117283345 is an apocalyptic number.

It is an amenable number.

117283345 is a deficient number, since it is larger than the sum of its proper divisors (23456675).

117283345 is an equidigital number, since it uses as much as digits as its factorization.

117283345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23456674.

The product of its digits is 20160, while the sum is 34.

The square root of 117283345 is about 10829.7435334361. The cubic root of 117283345 is about 489.4918305206.

The spelling of 117283345 in words is "one hundred seventeen million, two hundred eighty-three thousand, three hundred forty-five".