15149117 has 4 divisors (see below), whose sum is σ = 15178716. Its totient is φ = 15119520.

The previous prime is 15149089. The next prime is 15149177. The reversal of 15149117 is 71194151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71194151 = 7 ⋅10170593.

It can be written as a sum of positive squares in 2 ways, for example, as 8357881 + 6791236 = 2891^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 15149117 - 2⁶ = 15149053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15149117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15149177) 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 in 3 ways as a sum of consecutive naturals, for example, 14018 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (3794679).

Almost surely, 2^15149117 is an apocalyptic number.

It is an amenable number.

15149117 is a deficient number, since it is larger than the sum of its proper divisors (29599).

15149117 is an equidigital number, since it uses as much as digits as its factorization.

15149117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29598.

The product of its digits is 1260, while the sum is 29.

The square root of 15149117 is about 3892.1866604776. The cubic root of 15149117 is about 247.4357456573.

The spelling of 15149117 in words is "fifteen million, one hundred forty-nine thousand, one hundred seventeen".