141549049 has 2 divisors, whose sum is σ = 141549050. Its totient is φ = 141549048.

The previous prime is 141549047. The next prime is 141549053. The reversal of 141549049 is 940945141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127351225 + 14197824 = 11285^2 + 3768^2 .

It is an emirp because it is prime and its reverse (940945141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141549049 - 2¹ = 141549047 is a prime.

It is a super-2 number, since 2×141549049² = 40072266545608802, which contains 22 as substring.

Together with 141549047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 141548999 and 141549017.

It is not a weakly prime, because it can be changed into another prime (141549043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70774524 + 70774525.

It is an arithmetic number, because the mean of its divisors is an integer number (70774525).

Almost surely, 2^141549049 is an apocalyptic number.

It is an amenable number.

141549049 is a deficient number, since it is larger than the sum of its proper divisors (1).

141549049 is an equidigital number, since it uses as much as digits as its factorization.

141549049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 141549049 is about 11897.4387579848. The cubic root of 141549049 is about 521.1574918404.

The spelling of 141549049 in words is "one hundred forty-one million, five hundred forty-nine thousand, forty-nine".