141830285435621 has 4 divisors (see below), whose sum is σ = 141858221285772. Its totient is φ = 141802349585472.

The previous prime is 141830285435609. The next prime is 141830285435653. The reversal of 141830285435621 is 126534582038141.

141830285435621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137060053780225 + 4770231655396 = 11707265^2 + 2184086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141830285435621 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 (141830285435221) 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, 13967917460 + ... + 13967927613.

It is an arithmetic number, because the mean of its divisors is an integer number (35464555321443).

Almost surely, 2^{141830285435621} is an apocalyptic number.

It is an amenable number.

141830285435621 is a deficient number, since it is larger than the sum of its proper divisors (27935850151).

141830285435621 is an equidigital number, since it uses as much as digits as its factorization.

141830285435621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935850150.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 141830285435621 in words is "one hundred forty-one trillion, eight hundred thirty billion, two hundred eighty-five million, four hundred thirty-five thousand, six hundred twenty-one".