142863028 has 144 divisors (see below), whose sum is σ = 343816704. Its totient is φ = 51226560.

The previous prime is 142863011. The next prime is 142863029. The reversal of 142863028 is 820368241.

142863028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142862984 and 142863002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142863029) 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 47 ways as a sum of consecutive naturals, for example, 2132251 + ... + 2132317.

It is an arithmetic number, because the mean of its divisors is an integer number (2387616).

Almost surely, 2^142863028 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 142863028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171908352).

142863028 is an abundant number, since it is smaller than the sum of its proper divisors (200953676).

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

142863028 is a wasteful number, since it uses less digits than its factorization.

142863028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 142863028 is about 11952.5322839974. The cubic root of 142863028 is about 522.7651369884.

The spelling of 142863028 in words is "one hundred forty-two million, eight hundred sixty-three thousand, twenty-eight".