141961249 has 2 divisors, whose sum is σ = 141961250. Its totient is φ = 141961248.

The previous prime is 141961243. The next prime is 141961277. The reversal of 141961249 is 942169141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92160000 + 49801249 = 9600^2 + 7057^2 .

It is a cyclic number.

It is not a de Polignac number, because 141961249 - 2¹¹ = 141959201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141961243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70980624 + 70980625.

It is an arithmetic number, because the mean of its divisors is an integer number (70980625).

Almost surely, 2^141961249 is an apocalyptic number.

It is an amenable number.

141961249 is a deficient number, since it is larger than the sum of its proper divisors (1).

141961249 is an equidigital number, since it uses as much as digits as its factorization.

141961249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 141961249 is about 11914.7492210285. The cubic root of 141961249 is about 521.6628830387.

The spelling of 141961249 in words is "one hundred forty-one million, nine hundred sixty-one thousand, two hundred forty-nine".