2148340285 has 16 divisors (see below), whose sum is σ = 3172934016. Its totient is φ = 1359828288.

The previous prime is 2148340283. The next prime is 2148340297. The reversal of 2148340285 is 5820438412.

It is a happy number.

It is not a de Polignac number, because 2148340285 - 2¹ = 2148340283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148340283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360359 + ... + 2361268.

It is an arithmetic number, because the mean of its divisors is an integer number (198308376).

Almost surely, 2^2148340285 is an apocalyptic number.

It is an amenable number.

2148340285 is a deficient number, since it is larger than the sum of its proper divisors (1024593731).

2148340285 is a wasteful number, since it uses less digits than its factorization.

2148340285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721652.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 2148340285 is about 46350.1918550506. The cubic root of 2148340285 is about 1290.3306816053.

Adding to 2148340285 its reverse (5820438412), we get a palindrome (7968778697).

The spelling of 2148340285 in words is "two billion, one hundred forty-eight million, three hundred forty thousand, two hundred eighty-five".