142344203922 has 54 divisors (see below), whose sum is σ = 327684163989. Its totient is φ = 44648468160.

The previous prime is 142344203917. The next prime is 142344203927. The reversal of 142344203922 is 229302443241.

142344203922 is a `hidden beast` number, since 1 + 423 + 4 + 4 + 203 + 9 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (142344203917) and next prime (142344203927).

It can be written as a sum of positive squares in 2 ways, for example, as 130276961721 + 12067242201 = 360939^2 + 109851^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=266781.

It is not an unprimeable number, because it can be changed into a prime (142344203927) 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 26 ways as a sum of consecutive naturals, for example, 27209047 + ... + 27214277.

Almost surely, 2^142344203922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142344203922

142344203922 is an abundant number, since it is smaller than the sum of its proper divisors (185339960067).

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

142344203922 is an frugal number, since it uses more digits than its factorization.

142344203922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 142344203922 in words is "one hundred forty-two billion, three hundred forty-four million, two hundred three thousand, nine hundred twenty-two".