141448355381 has 4 divisors (see below), whose sum is σ = 149768846892. Its totient is φ = 133127863872.

The previous prime is 141448355359. The next prime is 141448355383. The reversal of 141448355381 is 183553844141.

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 74292224356 + 67156131025 = 272566^2 + 259145^2 .

It is a de Polignac number, because none of the positive numbers 2^k-141448355381 is a prime.

It is a super-2 number, since 2×141448355381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141448355383) 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, 4160245730 + ... + 4160245763.

It is an arithmetic number, because the mean of its divisors is an integer number (37442211723).

Almost surely, 2^141448355381 is an apocalyptic number.

It is an amenable number.

141448355381 is a deficient number, since it is larger than the sum of its proper divisors (8320491511).

141448355381 is an equidigital number, since it uses as much as digits as its factorization.

141448355381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320491510.

The product of its digits is 921600, while the sum is 47.

The spelling of 141448355381 in words is "one hundred forty-one billion, four hundred forty-eight million, three hundred fifty-five thousand, three hundred eighty-one".