117457543 has 16 divisors (see below), whose sum is σ = 138950656. Its totient is φ = 97161120.

The previous prime is 117457537. The next prime is 117457589. The reversal of 117457543 is 345754711.

It is not a de Polignac number, because 117457543 - 2¹³ = 117449351 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 (117457843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132580 + ... + 133462.

It is an arithmetic number, because the mean of its divisors is an integer number (8684416).

Almost surely, 2^117457543 is an apocalyptic number.

117457543 is a deficient number, since it is larger than the sum of its proper divisors (21493113).

117457543 is an equidigital number, since it uses as much as digits as its factorization.

117457543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534.

The product of its digits is 58800, while the sum is 37.

The square root of 117457543 is about 10837.7831220227. The cubic root of 117457543 is about 489.7340539354.

The spelling of 117457543 in words is "one hundred seventeen million, four hundred fifty-seven thousand, five hundred forty-three".