142263328 has 48 divisors (see below), whose sum is σ = 293388480. Its totient is φ = 67814656.

The previous prime is 142263323. The next prime is 142263343. The reversal of 142263328 is 823362241.

It is a self number, because there is not a number n which added to its sum of digits gives 142263328.

It is not an unprimeable number, because it can be changed into a prime (142263323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76101 + ... + 77947.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2^142263328 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 142263328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146694240).

142263328 is an abundant number, since it is smaller than the sum of its proper divisors (151125152).

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

142263328 is a wasteful number, since it uses less digits than its factorization.

142263328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1961 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 142263328 is about 11927.4191676154. The cubic root of 142263328 is about 522.0326359615.

The spelling of 142263328 in words is "one hundred forty-two million, two hundred sixty-three thousand, three hundred twenty-eight".