15145189 has 2 divisors, whose sum is σ = 15145190. Its totient is φ = 15145188.

The previous prime is 15145183. The next prime is 15145199. The reversal of 15145189 is 98154151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10349089 + 4796100 = 3217^2 + 2190^2 .

It is an emirp because it is prime and its reverse (98154151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15145189 - 2⁵ = 15145157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15145183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572594 + 7572595.

It is an arithmetic number, because the mean of its divisors is an integer number (7572595).

Almost surely, 2^15145189 is an apocalyptic number.

It is an amenable number.

15145189 is a deficient number, since it is larger than the sum of its proper divisors (1).

15145189 is an equidigital number, since it uses as much as digits as its factorization.

15145189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 34.

The square root of 15145189 is about 3891.6820270932. The cubic root of 15145189 is about 247.4143580164.

The spelling of 15145189 in words is "fifteen million, one hundred forty-five thousand, one hundred eighty-nine".