142533430526221 has 4 divisors (see below), whose sum is σ = 162895349172832. Its totient is φ = 122171511879612.

The previous prime is 142533430526161. The next prime is 142533430526233. The reversal of 142533430526221 is 122625034335241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142533430526221 - 2³³ = 142524840591629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142533430526261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10180959323295 + ... + 10180959323308.

It is an arithmetic number, because the mean of its divisors is an integer number (40723837293208).

Almost surely, 2^{142533430526221} is an apocalyptic number.

It is an amenable number.

142533430526221 is a deficient number, since it is larger than the sum of its proper divisors (20361918646611).

142533430526221 is an equidigital number, since it uses as much as digits as its factorization.

142533430526221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361918646610.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 142533430526221 in words is "one hundred forty-two trillion, five hundred thirty-three billion, four hundred thirty million, five hundred twenty-six thousand, two hundred twenty-one".