142104424 has 64 divisors (see below), whose sum is σ = 333648000. Its totient is φ = 55123200.

The previous prime is 142104407. The next prime is 142104493. The reversal of 142104424 is 424401241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 142104395 and 142104404.

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, 214654 + ... + 215314.

It is an arithmetic number, because the mean of its divisors is an integer number (5213250).

Almost surely, 2^142104424 is an apocalyptic number.

142104424 is a gapful number since it is divisible by the number (14) 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 142104424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166824000).

142104424 is an abundant number, since it is smaller than the sum of its proper divisors (191543576).

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

142104424 is a wasteful number, since it uses less digits than its factorization.

142104424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 142104424 is about 11920.7560162936. The cubic root of 142104424 is about 521.8381984591.

Adding to 142104424 its reverse (424401241), we get a palindrome (566505665).

The spelling of 142104424 in words is "one hundred forty-two million, one hundred four thousand, four hundred twenty-four".