117832945 has 8 divisors (see below), whose sum is σ = 146275560. Its totient is φ = 91015680.

The previous prime is 117832931. The next prime is 117832997. The reversal of 117832945 is 549238711.

It can be written as a sum of positive squares in 4 ways, for example, as 27373824 + 90459121 = 5232^2 + 9511^2 .

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

It is not a de Polignac number, because 117832945 - 2⁷ = 117832817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117832898 and 117832907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406176 + ... + 406465.

It is an arithmetic number, because the mean of its divisors is an integer number (18284445).

Almost surely, 2^117832945 is an apocalyptic number.

It is an amenable number.

117832945 is a deficient number, since it is larger than the sum of its proper divisors (28442615).

117832945 is an equidigital number, since it uses as much as digits as its factorization.

117832945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812675.

The product of its digits is 60480, while the sum is 40.

The square root of 117832945 is about 10855.0884381473. The cubic root of 117832945 is about 490.2552397845.

The spelling of 117832945 in words is "one hundred seventeen million, eight hundred thirty-two thousand, nine hundred forty-five".