115505149 has 8 divisors (see below), whose sum is σ = 121162752. Its totient is φ = 109900560.

The previous prime is 115505141. The next prime is 115505153. The reversal of 115505149 is 941505511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115505149 - 2³ = 115505141 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 115505149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115505141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8754 + ... + 17539.

It is an arithmetic number, because the mean of its divisors is an integer number (15145344).

Almost surely, 2^115505149 is an apocalyptic number.

It is an amenable number.

115505149 is a deficient number, since it is larger than the sum of its proper divisors (5657603).

115505149 is a wasteful number, since it uses less digits than its factorization.

115505149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26507.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 115505149 is about 10747.3321805925. The cubic root of 115505149 is about 487.0054053682.

The spelling of 115505149 in words is "one hundred fifteen million, five hundred five thousand, one hundred forty-nine".