142442034446 has 16 divisors (see below), whose sum is σ = 215021290848. Its totient is φ = 70768922400.

The previous prime is 142442034443. The next prime is 142442034467. The reversal of 142442034446 is 644430244241.

It is a super-3 number, since 3×142442034446³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142442034443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276911 + ... + 601301.

It is an arithmetic number, because the mean of its divisors is an integer number (13438830678).

Almost surely, 2^142442034446 is an apocalyptic number.

142442034446 is a deficient number, since it is larger than the sum of its proper divisors (72579256402).

142442034446 is a wasteful number, since it uses less digits than its factorization.

142442034446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325787.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 142442034446 its reverse (644430244241), we get a palindrome (786872278687).

The spelling of 142442034446 in words is "one hundred forty-two billion, four hundred forty-two million, thirty-four thousand, four hundred forty-six".