142421334342 has 16 divisors (see below), whose sum is σ = 325534478592. Its totient is φ = 40691809800.

The previous prime is 142421334317. The next prime is 142421334343. The reversal of 142421334342 is 243433124241.

It is a super-3 number, since 3×142421334342³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421334343) 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, 1695492034 + ... + 1695492117.

It is an arithmetic number, because the mean of its divisors is an integer number (20345904912).

Almost surely, 2^142421334342 is an apocalyptic number.

142421334342 is an abundant number, since it is smaller than the sum of its proper divisors (183113144250).

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

142421334342 is a wasteful number, since it uses less digits than its factorization.

142421334342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390984163.

The product of its digits is 55296, while the sum is 33.

Adding to 142421334342 its reverse (243433124241), we get a palindrome (385854458583).

The spelling of 142421334342 in words is "one hundred forty-two billion, four hundred twenty-one million, three hundred thirty-four thousand, three hundred forty-two".