2144142530 has 16 divisors (see below), whose sum is σ = 3861761400. Its totient is φ = 857144832.

The previous prime is 2144142523. The next prime is 2144142557. The reversal of 2144142530 is 352414412.

It can be written as a sum of positive squares in 4 ways, for example, as 2079998449 + 64144081 = 45607^2 + 8009^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144142530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46205 + ... + 80144.

Almost surely, 2^2144142530 is an apocalyptic number.

2144142530 is a deficient number, since it is larger than the sum of its proper divisors (1717618870).

2144142530 is a wasteful number, since it uses less digits than its factorization.

2144142530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128053.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2144142530 is about 46304.8866751664. The cubic root of 2144142530 is about 1289.4897186537.

Adding to 2144142530 its reverse (352414412), we get a palindrome (2496556942).

The spelling of 2144142530 in words is "two billion, one hundred forty-four million, one hundred forty-two thousand, five hundred thirty".