117157449 has 8 divisors (see below), whose sum is σ = 156340000. Its totient is φ = 78039936.

The previous prime is 117157441. The next prime is 117157501. The reversal of 117157449 is 944751711.

It is a happy number.

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

It is not a de Polignac number, because 117157449 - 2³ = 117157441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117157441) 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 7 ways as a sum of consecutive naturals, for example, 11887 + ... + 19380.

It is an arithmetic number, because the mean of its divisors is an integer number (19542500).

Almost surely, 2^117157449 is an apocalyptic number.

It is an amenable number.

117157449 is a deficient number, since it is larger than the sum of its proper divisors (39182551).

117157449 is a wasteful number, since it uses less digits than its factorization.

117157449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32519.

The product of its digits is 35280, while the sum is 39.

The square root of 117157449 is about 10823.9294620761. The cubic root of 117157449 is about 489.3166219923.

The spelling of 117157449 in words is "one hundred seventeen million, one hundred fifty-seven thousand, four hundred forty-nine".