142855142864 has 80 divisors (see below), whose sum is σ = 330219816960. Its totient is φ = 58536086400.

The previous prime is 142855142831. The next prime is 142855142867. The reversal of 142855142864 is 468241558241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142855142867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6560507 + ... + 6582245.

It is an arithmetic number, because the mean of its divisors is an integer number (4127747712).

Almost surely, 2^142855142864 is an apocalyptic number.

142855142864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142855142864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165109908480).

142855142864 is an abundant number, since it is smaller than the sum of its proper divisors (187364674096).

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

142855142864 is a wasteful number, since it uses less digits than its factorization.

142855142864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24328 (or 24322 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 50.

The spelling of 142855142864 in words is "one hundred forty-two billion, eight hundred fifty-five million, one hundred forty-two thousand, eight hundred sixty-four".