2144302140 has 48 divisors (see below), whose sum is σ = 6357228192. Its totient is φ = 538177536.

The previous prime is 2144302117. The next prime is 2144302229. The reversal of 2144302140 is 412034412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1050109 + ... + 1052148.

It is an arithmetic number, because the mean of its divisors is an integer number (132442254).

Almost surely, 2^2144302140 is an apocalyptic number.

2144302140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144302140 is an abundant number, since it is smaller than the sum of its proper divisors (4212926052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144302140 is a wasteful number, since it uses less digits than its factorization.

2144302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102286 (or 2102284 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2144302140 is about 46306.6101113005. The cubic root of 2144302140 is about 1289.5217144041.

Adding to 2144302140 its reverse (412034412), we get a palindrome (2556336552).

The spelling of 2144302140 in words is "two billion, one hundred forty-four million, three hundred two thousand, one hundred forty".