15168149 has 2 divisors, whose sum is σ = 15168150. Its totient is φ = 15168148.

The previous prime is 15168143. The next prime is 15168161. The reversal of 15168149 is 94186151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10195249 + 4972900 = 3193^2 + 2230^2 .

It is an emirp because it is prime and its reverse (94186151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15168149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15168143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7584074 + 7584075.

It is an arithmetic number, because the mean of its divisors is an integer number (7584075).

Almost surely, 2^15168149 is an apocalyptic number.

It is an amenable number.

15168149 is a deficient number, since it is larger than the sum of its proper divisors (1).

15168149 is an equidigital number, since it uses as much as digits as its factorization.

15168149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 35.

The square root of 15168149 is about 3894.6307912304. The cubic root of 15168149 is about 247.5393210322.

The spelling of 15168149 in words is "fifteen million, one hundred sixty-eight thousand, one hundred forty-nine".