115149 has 8 divisors (see below), whose sum is σ = 155232. Its totient is φ = 75920.

The previous prime is 115133. The next prime is 115151. The reversal of 115149 is 941511.

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 115149 - 2⁴ = 115133 is a prime.

115149 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115149.

It is not an unprimeable number, because it can be changed into a prime (115249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (19404).

2¹¹⁵¹⁴⁹ is an apocalyptic number.

It is an amenable number.

115149 is a deficient number, since it is larger than the sum of its proper divisors (40083).

115149 is a wasteful number, since it uses less digits than its factorization.

115149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its digits is 180, while the sum is 21.

The square root of 115149 is about 339.3361165570. The cubic root of 115149 is about 48.6504345274.

The spelling of 115149 in words is "one hundred fifteen thousand, one hundred forty-nine".