142869575520 has 288 divisors, whose sum is σ = 577829161728. Its totient is φ = 32655840768.

The previous prime is 142869575501. The next prime is 142869575531. The reversal of 142869575520 is 25575968241.

142869575520 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 69 + 57 + 5 + 520 = 666.

142869575520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 9687 + ... + 534633.

It is an arithmetic number, because the mean of its divisors is an integer number (2006351256).

Almost surely, 2^142869575520 is an apocalyptic number.

142869575520 is a gapful number since it is divisible by the number (10) 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 142869575520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288914580864).

142869575520 is an abundant number, since it is smaller than the sum of its proper divisors (434959586208).

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

142869575520 is an equidigital number, since it uses as much as digits as its factorization.

142869575520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524984 (or 524964 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 142869575520 in words is "one hundred forty-two billion, eight hundred sixty-nine million, five hundred seventy-five thousand, five hundred twenty".