15149081 has 2 divisors, whose sum is σ = 15149082. Its totient is φ = 15149080.

The previous prime is 15149053. The next prime is 15149083. The reversal of 15149081 is 18094151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13756681 + 1392400 = 3709^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 15149081 - 2²² = 10954777 is a prime.

It is a super-2 number, since 2×15149081² = 458989310289122, which contains 22 as substring.

Together with 15149083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15149083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7574540 + 7574541.

It is an arithmetic number, because the mean of its divisors is an integer number (7574541).

Almost surely, 2^15149081 is an apocalyptic number.

It is an amenable number.

15149081 is a deficient number, since it is larger than the sum of its proper divisors (1).

15149081 is an equidigital number, since it uses as much as digits as its factorization.

15149081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 15149081 is about 3892.1820358251. The cubic root of 15149081 is about 247.4355496570.

The spelling of 15149081 in words is "fifteen million, one hundred forty-nine thousand, eighty-one".