141022447 has 4 divisors (see below), whose sum is σ = 145885320. Its totient is φ = 136159576.

The previous prime is 141022433. The next prime is 141022481. The reversal of 141022447 is 744220141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141022447 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 (141022487) 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, 2431393 + ... + 2431450.

It is an arithmetic number, because the mean of its divisors is an integer number (36471330).

Almost surely, 2^141022447 is an apocalyptic number.

141022447 is a deficient number, since it is larger than the sum of its proper divisors (4862873).

141022447 is an equidigital number, since it uses as much as digits as its factorization.

141022447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862872.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 141022447 is about 11875.2872386313. The cubic root of 141022447 is about 520.5104049143.

Adding to 141022447 its reverse (744220141), we get a palindrome (885242588).

The spelling of 141022447 in words is "one hundred forty-one million, twenty-two thousand, four hundred forty-seven".