115641543 has 32 divisors (see below), whose sum is σ = 167449600. Its totient is φ = 70761600.

The previous prime is 115641541. The next prime is 115641551. The reversal of 115641543 is 345146511.

It is a happy number.

It is not a de Polignac number, because 115641543 - 2¹ = 115641541 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 115641543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115641541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274473 + ... + 274893.

It is an arithmetic number, because the mean of its divisors is an integer number (5232800).

Almost surely, 2^115641543 is an apocalyptic number.

115641543 is a deficient number, since it is larger than the sum of its proper divisors (51808057).

115641543 is a wasteful number, since it uses less digits than its factorization.

115641543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

The product of its digits is 7200, while the sum is 30.

The square root of 115641543 is about 10753.6757901659. The cubic root of 115641543 is about 487.1970230499.

The spelling of 115641543 in words is "one hundred fifteen million, six hundred forty-one thousand, five hundred forty-three".