141244781 has 2 divisors, whose sum is σ = 141244782. Its totient is φ = 141244780.

The previous prime is 141244769. The next prime is 141244787. The reversal of 141244781 is 187442141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84015556 + 57229225 = 9166^2 + 7565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141244781 is a prime.

It is a super-2 number, since 2×141244781² = 39900176319475922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141244787) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70622390 + 70622391.

It is an arithmetic number, because the mean of its divisors is an integer number (70622391).

Almost surely, 2^141244781 is an apocalyptic number.

It is an amenable number.

141244781 is a deficient number, since it is larger than the sum of its proper divisors (1).

141244781 is an equidigital number, since it uses as much as digits as its factorization.

141244781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 32.

The square root of 141244781 is about 11884.6447569963. The cubic root of 141244781 is about 520.7838044052.

The spelling of 141244781 in words is "one hundred forty-one million, two hundred forty-four thousand, seven hundred eighty-one".