141744919481 has 4 divisors (see below), whose sum is σ = 154630821264. Its totient is φ = 128859017700.

The previous prime is 141744919469. The next prime is 141744919483. The reversal of 141744919481 is 184919447141.

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 141744919481 - 2¹⁰ = 141744918457 is a prime.

It is a super-2 number, since 2×141744919481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141744919483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6442950875 + ... + 6442950896.

It is an arithmetic number, because the mean of its divisors is an integer number (38657705316).

Almost surely, 2^141744919481 is an apocalyptic number.

141744919481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141744919481 is a deficient number, since it is larger than the sum of its proper divisors (12885901783).

141744919481 is a wasteful number, since it uses less digits than its factorization.

141744919481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12885901782.

The product of its digits is 1161216, while the sum is 53.

The spelling of 141744919481 in words is "one hundred forty-one billion, seven hundred forty-four million, nine hundred nineteen thousand, four hundred eighty-one".