2142043544 has 16 divisors (see below), whose sum is σ = 4190955120. Its totient is φ = 1024455520.

The previous prime is 2142043529. The next prime is 2142043573. The reversal of 2142043544 is 4453402412.

It is a congruent number.

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, 5820587 + ... + 5820954.

It is an arithmetic number, because the mean of its divisors is an integer number (261934695).

Almost surely, 2^2142043544 is an apocalyptic number.

It is an amenable number.

2142043544 is a deficient number, since it is larger than the sum of its proper divisors (2048911576).

2142043544 is a wasteful number, since it uses less digits than its factorization.

2142043544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11641570 (or 11641566 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2142043544 is about 46282.2162822828. The cubic root of 2142043544 is about 1289.0688037634.

Adding to 2142043544 its reverse (4453402412), we get a palindrome (6595445956).

The spelling of 2142043544 in words is "two billion, one hundred forty-two million, forty-three thousand, five hundred forty-four".