117302144 has 32 divisors (see below), whose sum is σ = 238110840. Its totient is φ = 57541120.

The previous prime is 117302137. The next prime is 117302147. The reversal of 117302144 is 441203711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117302147) 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, 1862 + ... + 15429.

Almost surely, 2^117302144 is an apocalyptic number.

It is an amenable number.

117302144 is an abundant number, since it is smaller than the sum of its proper divisors (120808696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117302144 is an equidigital number, since it uses as much as digits as its factorization.

117302144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17358 (or 17346 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 117302144 is about 10830.6114324169. The cubic root of 117302144 is about 489.5179821886.

Adding to 117302144 its reverse (441203711), we get a palindrome (558505855).

The spelling of 117302144 in words is "one hundred seventeen million, three hundred two thousand, one hundred forty-four".