2148543775 has 12 divisors (see below), whose sum is σ = 3044793712. Its totient is φ = 1473287040.

The previous prime is 2148543773. The next prime is 2148543863. The reversal of 2148543775 is 5773458412.

It is not a de Polignac number, because 2148543775 - 2¹ = 2148543773 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148543773) 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 11 ways as a sum of consecutive naturals, for example, 6138522 + ... + 6138871.

Almost surely, 2^2148543775 is an apocalyptic number.

2148543775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2148543775 is a deficient number, since it is larger than the sum of its proper divisors (896249937).

2148543775 is a wasteful number, since it uses less digits than its factorization.

2148543775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277410 (or 12277405 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 2148543775 is about 46352.3869396173. The cubic root of 2148543775 is about 1290.3714202013.

The spelling of 2148543775 in words is "two billion, one hundred forty-eight million, five hundred forty-three thousand, seven hundred seventy-five".