141443381 has 2 divisors, whose sum is σ = 141443382. Its totient is φ = 141443380.

The previous prime is 141443327. The next prime is 141443387. The reversal of 141443381 is 183344141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81613156 + 59830225 = 9034^2 + 7735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141443381 is a prime.

It is a super-2 number, since 2×141443381² = 40012460057422322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141443387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70721690 + 70721691.

It is an arithmetic number, because the mean of its divisors is an integer number (70721691).

Almost surely, 2^141443381 is an apocalyptic number.

It is an amenable number.

141443381 is a deficient number, since it is larger than the sum of its proper divisors (1).

141443381 is an equidigital number, since it uses as much as digits as its factorization.

141443381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 141443381 is about 11892.9971411751. The cubic root of 141443381 is about 521.0277761946.

The spelling of 141443381 in words is "one hundred forty-one million, four hundred forty-three thousand, three hundred eighty-one".