117448157 has 4 divisors (see below), whose sum is σ = 117490080. Its totient is φ = 117406236.

The previous prime is 117448151. The next prime is 117448169. The reversal of 117448157 is 751844711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117448157 - 2⁴ = 117448141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117448157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117448151) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16433 + ... + 22470.

It is an arithmetic number, because the mean of its divisors is an integer number (29372520).

Almost surely, 2^117448157 is an apocalyptic number.

It is an amenable number.

117448157 is a deficient number, since it is larger than the sum of its proper divisors (41923).

117448157 is an equidigital number, since it uses as much as digits as its factorization.

117448157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41922.

The product of its digits is 31360, while the sum is 38.

The square root of 117448157 is about 10837.3500912354. The cubic root of 117448157 is about 489.7210087500.

The spelling of 117448157 in words is "one hundred seventeen million, four hundred forty-eight thousand, one hundred fifty-seven".