142242504312 has 128 divisors (see below), whose sum is σ = 381333173760. Its totient is φ = 44058255360.

The previous prime is 142242504301. The next prime is 142242504359. The reversal of 142242504312 is 213405242241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142242504312.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12119487 + ... + 12131217.

It is an arithmetic number, because the mean of its divisors is an integer number (2979165420).

Almost surely, 2^142242504312 is an apocalyptic number.

142242504312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142242504312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190666586880).

142242504312 is an abundant number, since it is smaller than the sum of its proper divisors (239090669448).

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

142242504312 is a wasteful number, since it uses less digits than its factorization.

142242504312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133 (or 12129 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 142242504312 its reverse (213405242241), we get a palindrome (355647746553).

The spelling of 142242504312 in words is "one hundred forty-two billion, two hundred forty-two million, five hundred four thousand, three hundred twelve".