15148117 has 4 divisors (see below), whose sum is σ = 15164140. Its totient is φ = 15132096.

The previous prime is 15148109. The next prime is 15148123. The reversal of 15148117 is 71184151.

15148117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71184151 = 17 ⋅4187303.

It can be written as a sum of positive squares in 2 ways, for example, as 7890481 + 7257636 = 2809^2 + 2694^2 .

It is a cyclic number.

It is not a de Polignac number, because 15148117 - 2³ = 15148109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15148127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6498 + ... + 8515.

It is an arithmetic number, because the mean of its divisors is an integer number (3791035).

Almost surely, 2^15148117 is an apocalyptic number.

It is an amenable number.

15148117 is a deficient number, since it is larger than the sum of its proper divisors (16023).

15148117 is a wasteful number, since it uses less digits than its factorization.

15148117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16022.

The product of its digits is 1120, while the sum is 28.

The square root of 15148117 is about 3892.0581958650. The cubic root of 15148117 is about 247.4303010894.

The spelling of 15148117 in words is "fifteen million, one hundred forty-eight thousand, one hundred seventeen".