150555149 has 2 divisors, whose sum is σ = 150555150. Its totient is φ = 150555148.

The previous prime is 150555143. The next prime is 150555173. The reversal of 150555149 is 941555051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122655625 + 27899524 = 11075^2 + 5282^2 .

It is a cyclic number.

It is not a de Polignac number, because 150555149 - 2⁴ = 150555133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150555143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75277574 + 75277575.

It is an arithmetic number, because the mean of its divisors is an integer number (75277575).

Almost surely, 2^150555149 is an apocalyptic number.

It is an amenable number.

150555149 is a deficient number, since it is larger than the sum of its proper divisors (1).

150555149 is an equidigital number, since it uses as much as digits as its factorization.

150555149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 150555149 is about 12270.0916459495. The cubic root of 150555149 is about 531.9839596517.

The spelling of 150555149 in words is "one hundred fifty million, five hundred fifty-five thousand, one hundred forty-nine".