2144002534 has 16 divisors (see below), whose sum is σ = 3332229840. Its totient is φ = 1033945120.

The previous prime is 2144002513. The next prime is 2144002537. The reversal of 2144002534 is 4352004412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2144002499 and 2144002508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144002537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165157 + ... + 177664.

It is an arithmetic number, because the mean of its divisors is an integer number (208264365).

Almost surely, 2^2144002534 is an apocalyptic number.

2144002534 is a deficient number, since it is larger than the sum of its proper divisors (1188227306).

2144002534 is a wasteful number, since it uses less digits than its factorization.

2144002534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342935.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2144002534 is about 46303.3749741852. The cubic root of 2144002534 is about 1289.4616534592.

Adding to 2144002534 its reverse (4352004412), we get a palindrome (6496006946).

The spelling of 2144002534 in words is "two billion, one hundred forty-four million, two thousand, five hundred thirty-four".