18248115 has 16 divisors (see below), whose sum is σ = 29527200. Its totient is φ = 9622272.

The previous prime is 18248093. The next prime is 18248129. The reversal of 18248115 is 51184281.

It is a happy number.

It is not a de Polignac number, because 18248115 - 2¹² = 18244019 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5500 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (1845450).

Almost surely, 2^18248115 is an apocalyptic number.

18248115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18248115 is a deficient number, since it is larger than the sum of its proper divisors (11279085).

18248115 is a wasteful number, since it uses less digits than its factorization.

18248115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13766.

The product of its digits is 2560, while the sum is 30.

The square root of 18248115 is about 4271.7812443991. The cubic root of 18248115 is about 263.2728065060.

The spelling of 18248115 in words is "eighteen million, two hundred forty-eight thousand, one hundred fifteen".