142340120 has 64 divisors (see below), whose sum is σ = 356832000. Its totient is φ = 50738688.

The previous prime is 142340117. The next prime is 142340131. The reversal of 142340120 is 21043241.

It is a super-2 number, since 2×142340120² = 40521419523228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10361 + ... + 19799.

It is an arithmetic number, because the mean of its divisors is an integer number (5575500).

Almost surely, 2^142340120 is an apocalyptic number.

142340120 is a gapful number since it is divisible by the number (10) 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 142340120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178416000).

142340120 is an abundant number, since it is smaller than the sum of its proper divisors (214491880).

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

142340120 is a wasteful number, since it uses less digits than its factorization.

142340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492 (or 9488 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142340120 is about 11930.6378706254. The cubic root of 142340120 is about 522.1265480046.

Adding to 142340120 its reverse (21043241), we get a palindrome (163383361).

The spelling of 142340120 in words is "one hundred forty-two million, three hundred forty thousand, one hundred twenty".