142571563380 has 36 divisors (see below), whose sum is σ = 432467076132. Its totient is φ = 38019083520.

The previous prime is 142571563339. The next prime is 142571563397. The reversal of 142571563380 is 83365175241.

It is a happy number.

142571563380 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 7 + 1 + 5 + 633 + 8 + 0 = 666.

142571563380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42975777636 + 99595785744 = 207306^2 + 315588^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396031941 + ... + 396032300.

It is an arithmetic number, because the mean of its divisors is an integer number (12012974337).

Almost surely, 2^142571563380 is an apocalyptic number.

142571563380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142571563380 is an abundant number, since it is smaller than the sum of its proper divisors (289895512752).

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

142571563380 is a wasteful number, since it uses less digits than its factorization.

142571563380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792064256 (or 792064251 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 142571563380 in words is "one hundred forty-two billion, five hundred seventy-one million, five hundred sixty-three thousand, three hundred eighty".