142555424 has 48 divisors (see below), whose sum is σ = 308792736. Its totient is φ = 64778560.

The previous prime is 142555417. The next prime is 142555429. The reversal of 142555424 is 424555241.

142555424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (142555429) 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, 40919 + ... + 44265.

It is an arithmetic number, because the mean of its divisors is an integer number (6433182).

Almost surely, 2^142555424 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 142555424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154396368).

142555424 is an abundant number, since it is smaller than the sum of its proper divisors (166237312).

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

142555424 is an equidigital number, since it uses as much as digits as its factorization.

142555424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3360 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 142555424 is about 11939.6576165316. The cubic root of 142555424 is about 522.3896719963.

The spelling of 142555424 in words is "one hundred forty-two million, five hundred fifty-five thousand, four hundred twenty-four".