142311040214244 has 144 divisors (see below), whose sum is σ = 370379421699840. Its totient is φ = 42175265077440.

The previous prime is 142311040214183. The next prime is 142311040214249. The reversal of 142311040214244 is 442412040113241.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (142311040214249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81500259 + ... + 83228085.

It is an arithmetic number, because the mean of its divisors is an integer number (2572079317360).

Almost surely, 2^{142311040214244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142311040214244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185189710849920).

142311040214244 is an abundant number, since it is smaller than the sum of its proper divisors (228068381485596).

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

142311040214244 is a wasteful number, since it uses less digits than its factorization.

142311040214244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728118 (or 1728049 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 142311040214244 its reverse (442412040113241), we get a palindrome (584723080327485).

The spelling of 142311040214244 in words is "one hundred forty-two trillion, three hundred eleven billion, forty million, two hundred fourteen thousand, two hundred forty-four".