1142230403242 has 8 divisors (see below), whose sum is σ = 1718926536096. Its totient is φ = 569254891212.

The previous prime is 1142230403233. The next prime is 1142230403287. The reversal of 1142230403242 is 2423040322411.

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

It is a super-2 number, since 2×1142230403242² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142230403242.

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, 930154438 + ... + 930155665.

It is an arithmetic number, because the mean of its divisors is an integer number (214865817012).

Almost surely, 2^{1142230403242} is an apocalyptic number.

1142230403242 is a deficient number, since it is larger than the sum of its proper divisors (576696132854).

1142230403242 is a wasteful number, since it uses less digits than its factorization.

1142230403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860310412.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1142230403242 its reverse (2423040322411), we get a palindrome (3565270725653).

The spelling of 1142230403242 in words is "one trillion, one hundred forty-two billion, two hundred thirty million, four hundred three thousand, two hundred forty-two".