149271041 has 2 divisors, whose sum is σ = 149271042. Its totient is φ = 149271040.

The previous prime is 149270993. The next prime is 149271043. The reversal of 149271041 is 140172941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141514816 + 7756225 = 11896^2 + 2785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149271041 is a prime.

Together with 149271043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149270995 and 149271013.

It is not a weakly prime, because it can be changed into another prime (149271043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74635520 + 74635521.

It is an arithmetic number, because the mean of its divisors is an integer number (74635521).

Almost surely, 2^149271041 is an apocalyptic number.

It is an amenable number.

149271041 is a deficient number, since it is larger than the sum of its proper divisors (1).

149271041 is an equidigital number, since it uses as much as digits as its factorization.

149271041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 149271041 is about 12217.6528433247. The cubic root of 149271041 is about 530.4671815200.

The spelling of 149271041 in words is "one hundred forty-nine million, two hundred seventy-one thousand, forty-one".