2144575775 has 12 divisors (see below), whose sum is σ = 2774895312. Its totient is φ = 1641066240.

The previous prime is 2144575739. The next prime is 2144575793. The reversal of 2144575775 is 5775754412.

It is not a de Polignac number, because 2144575775 - 2¹⁶ = 2144510239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1864274 + ... + 1865423.

It is an arithmetic number, because the mean of its divisors is an integer number (231241276).

Almost surely, 2^2144575775 is an apocalyptic number.

2144575775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2144575775 is a deficient number, since it is larger than the sum of its proper divisors (630319537).

2144575775 is a wasteful number, since it uses less digits than its factorization.

2144575775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729730 (or 3729725 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 47.

The square root of 2144575775 is about 46309.5646168262. The cubic root of 2144575775 is about 1289.5765641474.

The spelling of 2144575775 in words is "two billion, one hundred forty-four million, five hundred seventy-five thousand, seven hundred seventy-five".