141943819 has 4 divisors (see below), whose sum is σ = 142664544. Its totient is φ = 141223096.

The previous prime is 141943733. The next prime is 141943843. The reversal of 141943819 is 918349141.

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

It is a cyclic number.

It is not a de Polignac number, because 141943819 - 2¹¹ = 141941771 is a prime.

It is a super-2 number, since 2×141943819² = 40296095504609522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141943849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360067 + ... + 360460.

It is an arithmetic number, because the mean of its divisors is an integer number (35666136).

Almost surely, 2^141943819 is an apocalyptic number.

141943819 is a deficient number, since it is larger than the sum of its proper divisors (720725).

141943819 is an equidigital number, since it uses as much as digits as its factorization.

141943819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720724.

The product of its digits is 31104, while the sum is 40.

The square root of 141943819 is about 11914.0177522110. The cubic root of 141943819 is about 521.6415322446.

The spelling of 141943819 in words is "one hundred forty-one million, nine hundred forty-three thousand, eight hundred nineteen".