141668442541 has 4 divisors (see below), whose sum is σ = 141717145500. Its totient is φ = 141619739584.

The previous prime is 141668442511. The next prime is 141668442593. The reversal of 141668442541 is 145244866141.

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 87311385225 + 54357057316 = 295485^2 + 233146^2 .

It is a cyclic number.

It is not a de Polignac number, because 141668442541 - 2¹⁹ = 141667918253 is a prime.

It is a super-2 number, since 2×141668442541² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141668442491 and 141668442500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141668442511) 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, 24347116 + ... + 24352933.

It is an arithmetic number, because the mean of its divisors is an integer number (35429286375).

Almost surely, 2^141668442541 is an apocalyptic number.

It is an amenable number.

141668442541 is a deficient number, since it is larger than the sum of its proper divisors (48702959).

141668442541 is an equidigital number, since it uses as much as digits as its factorization.

141668442541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48702958.

The product of its digits is 737280, while the sum is 46.

The spelling of 141668442541 in words is "one hundred forty-one billion, six hundred sixty-eight million, four hundred forty-two thousand, five hundred forty-one".