141863549 has 2 divisors, whose sum is σ = 141863550. Its totient is φ = 141863548.

The previous prime is 141863543. The next prime is 141863551. The reversal of 141863549 is 945368141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114875524 + 26988025 = 10718^2 + 5195^2 .

It is an emirp because it is prime and its reverse (945368141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141863549 is a prime.

Together with 141863551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141863543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70931774 + 70931775.

It is an arithmetic number, because the mean of its divisors is an integer number (70931775).

Almost surely, 2^141863549 is an apocalyptic number.

It is an amenable number.

141863549 is a deficient number, since it is larger than the sum of its proper divisors (1).

141863549 is an equidigital number, since it uses as much as digits as its factorization.

141863549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 141863549 is about 11910.6485549696. The cubic root of 141863549 is about 521.5431833308.

The spelling of 141863549 in words is "one hundred forty-one million, eight hundred sixty-three thousand, five hundred forty-nine".