2142030442 has 8 divisors (see below), whose sum is σ = 3233511396. Its totient is φ = 1064193312.

The previous prime is 2142030439. The next prime is 2142030461. The reversal of 2142030442 is 2440302412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1997285481 + 144744961 = 44691^2 + 12031^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3410563 + ... + 3411190.

Almost surely, 2^2142030442 is an apocalyptic number.

2142030442 is a deficient number, since it is larger than the sum of its proper divisors (1091480954).

2142030442 is a wasteful number, since it uses less digits than its factorization.

2142030442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821912.

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

The square root of 2142030442 is about 46282.0747374186. The cubic root of 2142030442 is about 1289.0661755234.

Adding to 2142030442 its reverse (2440302412), we get a palindrome (4582332854).

The spelling of 2142030442 in words is "two billion, one hundred forty-two million, thirty thousand, four hundred forty-two".