15144091 has 2 divisors, whose sum is σ = 15144092. Its totient is φ = 15144090.

The previous prime is 15144079. The next prime is 15144109. The reversal of 15144091 is 19044151.

Together with next prime (15144109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15144091 is a prime.

It is not a weakly prime, because it can be changed into another prime (15144001) 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, 7572045 + 7572046.

It is an arithmetic number, because the mean of its divisors is an integer number (7572046).

Almost surely, 2^15144091 is an apocalyptic number.

15144091 is a deficient number, since it is larger than the sum of its proper divisors (1).

15144091 is an equidigital number, since it uses as much as digits as its factorization.

15144091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 15144091 is about 3891.5409544292. The cubic root of 15144091 is about 247.4083788343.

The spelling of 15144091 in words is "fifteen million, one hundred forty-four thousand, ninety-one".