141881243 has 4 divisors (see below), whose sum is σ = 162150000. Its totient is φ = 121612488.

The previous prime is 141881239. The next prime is 141881263. The reversal of 141881243 is 342188141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342188141 = 59 ⋅5799799.

It is a cyclic number.

It is not a de Polignac number, because 141881243 - 2² = 141881239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141881213) 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, 10134368 + ... + 10134381.

It is an arithmetic number, because the mean of its divisors is an integer number (40537500).

Almost surely, 2^141881243 is an apocalyptic number.

141881243 is a deficient number, since it is larger than the sum of its proper divisors (20268757).

141881243 is an equidigital number, since it uses as much as digits as its factorization.

141881243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268756.

The product of its digits is 6144, while the sum is 32.

The square root of 141881243 is about 11911.3913125210. The cubic root of 141881243 is about 521.5648656716.

The spelling of 141881243 in words is "one hundred forty-one million, eight hundred eighty-one thousand, two hundred forty-three".