117452143 has 4 divisors (see below), whose sum is σ = 118771920. Its totient is φ = 116132368.

The previous prime is 117452141. The next prime is 117452161. The reversal of 117452143 is 341254711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117452143 - 2¹ = 117452141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117452141) 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, 659755 + ... + 659932.

It is an arithmetic number, because the mean of its divisors is an integer number (29692980).

Almost surely, 2^117452143 is an apocalyptic number.

117452143 is a deficient number, since it is larger than the sum of its proper divisors (1319777).

117452143 is an equidigital number, since it uses as much as digits as its factorization.

117452143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319776.

The product of its digits is 3360, while the sum is 28.

The square root of 117452143 is about 10837.5339907195. The cubic root of 117452143 is about 489.7265487996.

The spelling of 117452143 in words is "one hundred seventeen million, four hundred fifty-two thousand, one hundred forty-three".