141811249 has 2 divisors, whose sum is σ = 141811250. Its totient is φ = 141811248.

The previous prime is 141811237. The next prime is 141811259. The reversal of 141811249 is 942118141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 51940849 = 9480^2 + 7207^2 .

It is a cyclic number.

It is not a de Polignac number, because 141811249 - 2¹⁹ = 141286961 is a prime.

It is a super-2 number, since 2×141811249² = 40220860685880002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 141811249.

It is not a weakly prime, because it can be changed into another prime (141811259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70905624 + 70905625.

It is an arithmetic number, because the mean of its divisors is an integer number (70905625).

Almost surely, 2^141811249 is an apocalyptic number.

It is an amenable number.

141811249 is a deficient number, since it is larger than the sum of its proper divisors (1).

141811249 is an equidigital number, since it uses as much as digits as its factorization.

141811249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 141811249 is about 11908.4528382154. The cubic root of 141811249 is about 521.4790840341.

The spelling of 141811249 in words is "one hundred forty-one million, eight hundred eleven thousand, two hundred forty-nine".