142242032144 has 20 divisors (see below), whose sum is σ = 275622525696. Its totient is φ = 71113638432.

The previous prime is 142242032143. The next prime is 142242032167. The reversal of 142242032144 is 441230242241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142242032143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300344 + ... + 612119.

Almost surely, 2^142242032144 is an apocalyptic number.

It is an amenable number.

142242032144 is a deficient number, since it is larger than the sum of its proper divisors (133380493552).

142242032144 is an equidigital number, since it uses as much as digits as its factorization.

142242032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922214 (or 922208 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142242032144 its reverse (441230242241), we get a palindrome (583472274385).

The spelling of 142242032144 in words is "one hundred forty-two billion, two hundred forty-two million, thirty-two thousand, one hundred forty-four".