142046424 has 192 divisors, whose sum is σ = 448156800. Its totient is φ = 40255488.

The previous prime is 142046423. The next prime is 142046467. The reversal of 142046424 is 424640241.

It is a happy number.

142046424 is a `hidden beast` number, since 14 + 2 + 0 + 4 + 642 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142046423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1256992 + ... + 1257104.

It is an arithmetic number, because the mean of its divisors is an integer number (2334150).

Almost surely, 2^142046424 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 142046424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224078400).

142046424 is an abundant number, since it is smaller than the sum of its proper divisors (306110376).

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

142046424 is a wasteful number, since it uses less digits than its factorization.

142046424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 142046424 is about 11918.3230364007. The cubic root of 142046424 is about 521.7671926138.

Adding to 142046424 its reverse (424640241), we get a palindrome (566686665).

The spelling of 142046424 in words is "one hundred forty-two million, forty-six thousand, four hundred twenty-four".