141541861 has 2 divisors, whose sum is σ = 141541862. Its totient is φ = 141541860.

The previous prime is 141541859. The next prime is 141541901. The reversal of 141541861 is 168145141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131102500 + 10439361 = 11450^2 + 3231^2 .

It is a cyclic number.

It is not a de Polignac number, because 141541861 - 2¹ = 141541859 is a prime.

Together with 141541859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141542861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70770930 + 70770931.

It is an arithmetic number, because the mean of its divisors is an integer number (70770931).

Almost surely, 2^141541861 is an apocalyptic number.

It is an amenable number.

141541861 is a deficient number, since it is larger than the sum of its proper divisors (1).

141541861 is an equidigital number, since it uses as much as digits as its factorization.

141541861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 31.

The square root of 141541861 is about 11897.1366723258. The cubic root of 141541861 is about 521.1486700610.

The spelling of 141541861 in words is "one hundred forty-one million, five hundred forty-one thousand, eight hundred sixty-one".