2142142244 has 12 divisors (see below), whose sum is σ = 4089544368. Its totient is φ = 973701000.

The previous prime is 2142142199. The next prime is 2142142259. The reversal of 2142142244 is 4422412412.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24342482 + ... + 24342569.

It is an arithmetic number, because the mean of its divisors is an integer number (340795364).

Almost surely, 2^2142142244 is an apocalyptic number.

It is an amenable number.

2142142244 is a deficient number, since it is larger than the sum of its proper divisors (1947402124).

2142142244 is a wasteful number, since it uses less digits than its factorization.

2142142244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48685066 (or 48685064 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 2142142244 is about 46283.2825542874. The cubic root of 2142142244 is about 1289.0886024797.

Adding to 2142142244 its reverse (4422412412), we get a palindrome (6564554656).

The spelling of 2142142244 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, two hundred forty-four".