2144514465 has 12 divisors (see below), whose sum is σ = 3717158484. Its totient is φ = 1143741024.

The previous prime is 2144514451. The next prime is 2144514467. The reversal of 2144514465 is 5644154412.

2144514465 is a `hidden beast` number, since 2 + 144 + 51 + 4 + 465 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 336649104 + 1807865361 = 18348^2 + 42519^2 .

It is not a de Polignac number, because 2144514465 - 2⁵ = 2144514433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144514467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23827894 + ... + 23827983.

It is an arithmetic number, because the mean of its divisors is an integer number (309763207).

Almost surely, 2^2144514465 is an apocalyptic number.

It is an amenable number.

2144514465 is a deficient number, since it is larger than the sum of its proper divisors (1572644019).

2144514465 is a wasteful number, since it uses less digits than its factorization.

2144514465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47655888 (or 47655885 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 2144514465 is about 46308.9026538095. The cubic root of 2144514465 is about 1289.5642750514.

Adding to 2144514465 its reverse (5644154412), we get a palindrome (7788668877).

The spelling of 2144514465 in words is "two billion, one hundred forty-four million, five hundred fourteen thousand, four hundred sixty-five".