2148532115 has 4 divisors (see below), whose sum is σ = 2578238544. Its totient is φ = 1718825688.

The previous prime is 2148532093. The next prime is 2148532123. The reversal of 2148532115 is 5112358412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2148532115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 214853207 + ... + 214853216.

It is an arithmetic number, because the mean of its divisors is an integer number (644559636).

Almost surely, 2^2148532115 is an apocalyptic number.

2148532115 is a deficient number, since it is larger than the sum of its proper divisors (429706429).

2148532115 is an equidigital number, since it uses as much as digits as its factorization.

2148532115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429706428.

The product of its digits is 9600, while the sum is 32.

The square root of 2148532115 is about 46352.2611638310. The cubic root of 2148532115 is about 1290.3690859446.

The spelling of 2148532115 in words is "two billion, one hundred forty-eight million, five hundred thirty-two thousand, one hundred fifteen".