2142442102 has 32 divisors (see below), whose sum is σ = 3468096000. Its totient is φ = 988910208.

The previous prime is 2142442091. The next prime is 2142442103. The reversal of 2142442102 is 2012442412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142442103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200703 + ... + 1202485.

It is an arithmetic number, because the mean of its divisors is an integer number (108378000).

Almost surely, 2^2142442102 is an apocalyptic number.

2142442102 is a deficient number, since it is larger than the sum of its proper divisors (1325653898).

2142442102 is a wasteful number, since it uses less digits than its factorization.

2142442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2142442102 is about 46286.5218179115. The cubic root of 2142442102 is about 1289.1487487338.

Adding to 2142442102 its reverse (2012442412), we get a palindrome (4154884514).

The spelling of 2142442102 in words is "two billion, one hundred forty-two million, four hundred forty-two thousand, one hundred two".