142142104 has 32 divisors (see below), whose sum is σ = 289674000. Its totient is φ = 64996992.

The previous prime is 142142089. The next prime is 142142107. The reversal of 142142104 is 401241241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142142107) 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 7 ways as a sum of consecutive naturals, for example, 5067 + ... + 17605.

Almost surely, 2^142142104 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 142142104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144837000).

142142104 is an abundant number, since it is smaller than the sum of its proper divisors (147531896).

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

142142104 is a wasteful number, since it uses less digits than its factorization.

142142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12667 (or 12663 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142142104 is about 11922.3363482163. The cubic root of 142142104 is about 521.8843174212.

Adding to 142142104 its reverse (401241241), we get a palindrome (543383345).

The spelling of 142142104 in words is "one hundred forty-two million, one hundred forty-two thousand, one hundred four".