115155447 has 16 divisors (see below), whose sum is σ = 176315520. Its totient is φ = 66117600.

The previous prime is 115155437. The next prime is 115155449. The reversal of 115155447 is 744551511.

It is not a de Polignac number, because 115155447 - 2⁴ = 115155431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115155449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91204 + ... + 92457.

It is an arithmetic number, because the mean of its divisors is an integer number (11019720).

Almost surely, 2^115155447 is an apocalyptic number.

115155447 is a deficient number, since it is larger than the sum of its proper divisors (61160073).

115155447 is a wasteful number, since it uses less digits than its factorization.

115155447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183694.

The product of its digits is 14000, while the sum is 33.

The square root of 115155447 is about 10731.0506009430. The cubic root of 115155447 is about 486.5134246259.

The spelling of 115155447 in words is "one hundred fifteen million, one hundred fifty-five thousand, four hundred forty-seven".