142864393728 has 480 divisors, whose sum is σ = 460972245888. Its totient is φ = 39171686400.

The previous prime is 142864393681. The next prime is 142864393733. The reversal of 142864393728 is 827393468241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206749863 + ... + 206750553.

Almost surely, 2^142864393728 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 142864393728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230486122944).

142864393728 is an abundant number, since it is smaller than the sum of its proper divisors (318107852160).

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

142864393728 is an equidigital number, since it uses as much as digits as its factorization.

142864393728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 811 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 57.

The spelling of 142864393728 in words is "one hundred forty-two billion, eight hundred sixty-four million, three hundred ninety-three thousand, seven hundred twenty-eight".