142328928 has 144 divisors (see below), whose sum is σ = 441262080. Its totient is φ = 40045824.

The previous prime is 142328909. The next prime is 142328933. The reversal of 142328928 is 829823241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371425 + ... + 371807.

It is an arithmetic number, because the mean of its divisors is an integer number (3064320).

Almost surely, 2^142328928 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 142328928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220631040).

142328928 is an abundant number, since it is smaller than the sum of its proper divisors (298933152).

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

142328928 is a wasteful number, since it uses less digits than its factorization.

142328928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 474 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 142328928 is about 11930.1688169112. The cubic root of 142328928 is about 522.1128629580.

The spelling of 142328928 in words is "one hundred forty-two million, three hundred twenty-eight thousand, nine hundred twenty-eight".