141421443 has 8 divisors (see below), whose sum is σ = 190001856. Its totient is φ = 93561000.

The previous prime is 141421417. The next prime is 141421463. The reversal of 141421443 is 344124141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 141421443 - 2¹⁷ = 141290371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141421403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179533 + ... + 180318.

It is an arithmetic number, because the mean of its divisors is an integer number (23750232).

Almost surely, 2^141421443 is an apocalyptic number.

141421443 is a deficient number, since it is larger than the sum of its proper divisors (48580413).

141421443 is a wasteful number, since it uses less digits than its factorization.

141421443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359985.

The product of its digits is 1536, while the sum is 24.

The square root of 141421443 is about 11892.0747979484. The cubic root of 141421443 is about 521.0008375042. Note that the first 3 decimals are identical.

Adding to 141421443 its reverse (344124141), we get a palindrome (485545584).

The spelling of 141421443 in words is "one hundred forty-one million, four hundred twenty-one thousand, four hundred forty-three".