142828868 has 48 divisors (see below), whose sum is σ = 308770560. Its totient is φ = 56294784.

The previous prime is 142828859. The next prime is 142828897. The reversal of 142828868 is 868828241.

It is a super-2 number, since 2×142828868² = 40800171068322848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130130 + ... + 131222.

It is an arithmetic number, because the mean of its divisors is an integer number (6432720).

Almost surely, 2^142828868 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 142828868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154385280).

142828868 is an abundant number, since it is smaller than the sum of its proper divisors (165941692).

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

142828868 is a wasteful number, since it uses less digits than its factorization.

142828868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1474 counting only the distinct ones).

The product of its digits is 393216, while the sum is 47.

The square root of 142828868 is about 11951.1032126746. The cubic root of 142828868 is about 522.7234675170.

The spelling of 142828868 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, eight hundred sixty-eight".