150449261 has 2 divisors, whose sum is σ = 150449262. Its totient is φ = 150449260.

The previous prime is 150449227. The next prime is 150449281. The reversal of 150449261 is 162944051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148693636 + 1755625 = 12194^2 + 1325^2 .

It is an emirp because it is prime and its reverse (162944051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150449261 - 2¹⁰ = 150448237 is a prime.

It is a super-2 number, since 2×150449261² = 45269960270892242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150449281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75224630 + 75224631.

It is an arithmetic number, because the mean of its divisors is an integer number (75224631).

Almost surely, 2^150449261 is an apocalyptic number.

It is an amenable number.

150449261 is a deficient number, since it is larger than the sum of its proper divisors (1).

150449261 is an equidigital number, since it uses as much as digits as its factorization.

150449261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 150449261 is about 12265.7760048030. The cubic root of 150449261 is about 531.8592126090.

The spelling of 150449261 in words is "one hundred fifty million, four hundred forty-nine thousand, two hundred sixty-one".