117804245 has 16 divisors (see below), whose sum is σ = 153362160. Its totient is φ = 86352384.

The previous prime is 117804233. The next prime is 117804251. The reversal of 117804245 is 542408711.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2735716 + 115068529 = 1654^2 + 10727^2 .

It is a cyclic number.

It is not a de Polignac number, because 117804245 - 2⁸ = 117803989 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2291 + ... + 15519.

It is an arithmetic number, because the mean of its divisors is an integer number (9585135).

Almost surely, 2^117804245 is an apocalyptic number.

It is an amenable number.

117804245 is a deficient number, since it is larger than the sum of its proper divisors (35557915).

117804245 is a wasteful number, since it uses less digits than its factorization.

117804245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13384.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 117804245 is about 10853.7663969702. The cubic root of 117804245 is about 490.2154335207.

The spelling of 117804245 in words is "one hundred seventeen million, eight hundred four thousand, two hundred forty-five".