115543229 has 2 divisors, whose sum is σ = 115543230. Its totient is φ = 115543228.

The previous prime is 115543189. The next prime is 115543261. The reversal of 115543229 is 922345511.

It is an a-pointer prime, because the next prime (115543261) can be obtained adding 115543229 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 7279204 = 10405^2 + 2698^2 .

It is a cyclic number.

It is not a de Polignac number, because 115543229 - 2¹⁶ = 115477693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115543195 and 115543204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115543429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57771614 + 57771615.

It is an arithmetic number, because the mean of its divisors is an integer number (57771615).

Almost surely, 2^115543229 is an apocalyptic number.

It is an amenable number.

115543229 is a deficient number, since it is larger than the sum of its proper divisors (1).

115543229 is an equidigital number, since it uses as much as digits as its factorization.

115543229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 115543229 is about 10749.1036370481. The cubic root of 115543229 is about 487.0589185041.

The spelling of 115543229 in words is "one hundred fifteen million, five hundred forty-three thousand, two hundred twenty-nine".