115434161 has 4 divisors (see below), whose sum is σ = 116493300. Its totient is φ = 114375024.

The previous prime is 115434127. The next prime is 115434197. The reversal of 115434161 is 161434511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161434511 = 7 ⋅23062073.

It can be written as a sum of positive squares in 2 ways, for example, as 80209936 + 35224225 = 8956^2 + 5935^2 .

It is a cyclic number.

It is not a de Polignac number, because 115434161 - 2²⁶ = 48325297 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 115434161.

It is not an unprimeable number, because it can be changed into a prime (115439161) 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, 529406 + ... + 529623.

It is an arithmetic number, because the mean of its divisors is an integer number (29123325).

Almost surely, 2^115434161 is an apocalyptic number.

It is an amenable number.

115434161 is a deficient number, since it is larger than the sum of its proper divisors (1059139).

115434161 is a wasteful number, since it uses less digits than its factorization.

115434161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059138.

The product of its digits is 1440, while the sum is 26.

The square root of 115434161 is about 10744.0290859621. The cubic root of 115434161 is about 486.9056158066.

Adding to 115434161 its reverse (161434511), we get a palindrome (276868672).

The spelling of 115434161 in words is "one hundred fifteen million, four hundred thirty-four thousand, one hundred sixty-one".