15189 has 8 divisors (see below), whose sum is σ = 20832. Its totient is φ = 9840.

The previous prime is 15187. The next prime is 15193. The reversal of 15189 is 98151.

15189 = 37² + 38² + ... + 45².

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

It is not a de Polignac number, because 15189 - 2¹ = 15187 is a prime.

15189 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15187) 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, 142 + ... + 224.

It is an arithmetic number, because the mean of its divisors is an integer number (2604).

2¹⁵¹⁸⁹ is an apocalyptic number.

It is an amenable number.

15189 is a deficient number, since it is larger than the sum of its proper divisors (5643).

15189 is an equidigital number, since it uses as much as digits as its factorization.

15189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147.

The product of its digits is 360, while the sum is 24.

The square root of 15189 is about 123.2436610946. The cubic root of 15189 is about 24.7652696305.

The spelling of 15189 in words is "fifteen thousand, one hundred eighty-nine".