142424004 has 48 divisors (see below), whose sum is σ = 348042240. Its totient is φ = 45244320.

The previous prime is 142423997. The next prime is 142424059. The reversal of 142424004 is 400424241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90577 + ... + 92135.

It is an arithmetic number, because the mean of its divisors is an integer number (7250880).

Almost surely, 2^142424004 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 142424004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174021120).

142424004 is an abundant number, since it is smaller than the sum of its proper divisors (205618236).

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

142424004 is a wasteful number, since it uses less digits than its factorization.

142424004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 142424004 is about 11934.1528396447. The cubic root of 142424004 is about 522.2290945493.

Adding to 142424004 its reverse (400424241), we get a palindrome (542848245).

The spelling of 142424004 in words is "one hundred forty-two million, four hundred twenty-four thousand, four".