142143234140244 has 24 divisors (see below), whose sum is σ = 351177401994048. Its totient is φ = 44593955808640.

The previous prime is 142143234140207. The next prime is 142143234140249. The reversal of 142143234140244 is 442041432341241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142143234140249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348390279552 + ... + 348390279959.

It is an arithmetic number, because the mean of its divisors is an integer number (14632391749752).

Almost surely, 2^{142143234140244} is an apocalyptic number.

It is an amenable number.

142143234140244 is an abundant number, since it is smaller than the sum of its proper divisors (209034167853804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142143234140244 is a wasteful number, since it uses less digits than its factorization.

142143234140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696780559535 (or 696780559533 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 142143234140244 its reverse (442041432341241), we get a palindrome (584184666481485).

The spelling of 142143234140244 in words is "one hundred forty-two trillion, one hundred forty-three billion, two hundred thirty-four million, one hundred forty thousand, two hundred forty-four".