15068149 has 4 divisors (see below), whose sum is σ = 15274636. Its totient is φ = 14861664.

The previous prime is 15068107. The next prime is 15068161. The reversal of 15068149 is 94186051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5673924 + 9394225 = 2382^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 15068149 - 2¹¹ = 15066101 is a prime.

It is a super-2 number, since 2×15068149² = 454098228572402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15068549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103134 + ... + 103279.

It is an arithmetic number, because the mean of its divisors is an integer number (3818659).

Almost surely, 2^15068149 is an apocalyptic number.

It is an amenable number.

15068149 is a deficient number, since it is larger than the sum of its proper divisors (206487).

15068149 is an equidigital number, since it uses as much as digits as its factorization.

15068149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206486.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 15068149 is about 3881.7713739992. The cubic root of 15068149 is about 246.9941318739.

The spelling of 15068149 in words is "fifteen million, sixty-eight thousand, one hundred forty-nine".