141681149 has 2 divisors, whose sum is σ = 141681150. Its totient is φ = 141681148.

The previous prime is 141681131. The next prime is 141681151. The reversal of 141681149 is 941186141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74736025 + 66945124 = 8645^2 + 8182^2 .

It is a cyclic number.

It is not a de Polignac number, because 141681149 - 2²⁰ = 140632573 is a prime.

Together with 141681151, 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 (141681109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70840574 + 70840575.

It is an arithmetic number, because the mean of its divisors is an integer number (70840575).

Almost surely, 2^141681149 is an apocalyptic number.

It is an amenable number.

141681149 is a deficient number, since it is larger than the sum of its proper divisors (1).

141681149 is an equidigital number, since it uses as much as digits as its factorization.

141681149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 141681149 is about 11902.9890783786. The cubic root of 141681149 is about 521.3195640452.

The spelling of 141681149 in words is "one hundred forty-one million, six hundred eighty-one thousand, one hundred forty-nine".