117345180 has 48 divisors (see below), whose sum is σ = 334774944. Its totient is φ = 30700800.

The previous prime is 117345143. The next prime is 117345187. The reversal of 117345180 is 81543711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117345187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15271 + ... + 21630.

It is an arithmetic number, because the mean of its divisors is an integer number (6974478).

Almost surely, 2^117345180 is an apocalyptic number.

117345180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117345180 is an abundant number, since it is smaller than the sum of its proper divisors (217429764).

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

117345180 is a wasteful number, since it uses less digits than its factorization.

117345180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36966 (or 36964 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 117345180 is about 10832.5980263278. The cubic root of 117345180 is about 489.5778399182.

Adding to 117345180 its reverse (81543711), we get a palindrome (198888891).

The spelling of 117345180 in words is "one hundred seventeen million, three hundred forty-five thousand, one hundred eighty".