2142043042 has 8 divisors (see below), whose sum is σ = 3213849600. Its totient is φ = 1070759844.

The previous prime is 2142043019. The next prime is 2142043063. The reversal of 2142043042 is 2403402412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2142043042² = 9176696787561227528, which contains 22 as substring.

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, 120442 + ... + 137077.

It is an arithmetic number, because the mean of its divisors is an integer number (401731200).

Almost surely, 2^2142043042 is an apocalyptic number.

2142043042 is a deficient number, since it is larger than the sum of its proper divisors (1071806558).

2142043042 is a wasteful number, since it uses less digits than its factorization.

2142043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261680.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2142043042 is about 46282.2108590331. The cubic root of 2142043042 is about 1289.0687030632.

Adding to 2142043042 its reverse (2403402412), we get a palindrome (4545445454).

The spelling of 2142043042 in words is "two billion, one hundred forty-two million, forty-three thousand, forty-two".