117298145 has 8 divisors (see below), whose sum is σ = 141165504. Its totient is φ = 93566704.

The previous prime is 117298121. The next prime is 117298157. The reversal of 117298145 is 541892711.

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

It is a cyclic number.

It is not a de Polignac number, because 117298145 - 2⁸ = 117297889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117298099 and 117298108.

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, 32069 + ... + 35538.

It is an arithmetic number, because the mean of its divisors is an integer number (17645688).

Almost surely, 2^117298145 is an apocalyptic number.

It is an amenable number.

117298145 is a deficient number, since it is larger than the sum of its proper divisors (23867359).

117298145 is an equidigital number, since it uses as much as digits as its factorization.

117298145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67959.

The product of its digits is 20160, while the sum is 38.

The square root of 117298145 is about 10830.4268152276. The cubic root of 117298145 is about 489.5124193331.

The spelling of 117298145 in words is "one hundred seventeen million, two hundred ninety-eight thousand, one hundred forty-five".