97543143 has 16 divisors (see below), whose sum is σ = 149171200. Its totient is φ = 62930520.

The previous prime is 97543133. The next prime is 97543151. The reversal of 97543143 is 34134579.

It is not a de Polignac number, because 97543143 - 2¹⁰ = 97542119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97543098 and 97543107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97543123) 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, 57433 + ... + 59106.

It is an arithmetic number, because the mean of its divisors is an integer number (9323200).

Almost surely, 2^97543143 is an apocalyptic number.

97543143 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

97543143 is a deficient number, since it is larger than the sum of its proper divisors (51628057).

97543143 is a wasteful number, since it uses less digits than its factorization.

97543143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116579 (or 116573 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 97543143 is about 9876.3932181743. The cubic root of 97543143 is about 460.3260810201.

The spelling of 97543143 in words is "ninety-seven million, five hundred forty-three thousand, one hundred forty-three".