115425543 has 4 divisors (see below), whose sum is σ = 153900728. Its totient is φ = 76950360.

The previous prime is 115425521. The next prime is 115425547. The reversal of 115425543 is 345524511.

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

It is not a de Polignac number, because 115425543 - 2¹⁴ = 115409159 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 115425543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115425547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19237588 + ... + 19237593.

It is an arithmetic number, because the mean of its divisors is an integer number (38475182).

Almost surely, 2^115425543 is an apocalyptic number.

115425543 is a deficient number, since it is larger than the sum of its proper divisors (38475185).

115425543 is an equidigital number, since it uses as much as digits as its factorization.

115425543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38475184.

The product of its digits is 12000, while the sum is 30.

The square root of 115425543 is about 10743.6280185047. The cubic root of 115425543 is about 486.8934984894.

The spelling of 115425543 in words is "one hundred fifteen million, four hundred twenty-five thousand, five hundred forty-three".