150205771 has 2 divisors, whose sum is σ = 150205772. Its totient is φ = 150205770.

The previous prime is 150205747. The next prime is 150205787. The reversal of 150205771 is 177502051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150205771 - 2⁵ = 150205739 is a prime.

It is not a weakly prime, because it can be changed into another prime (150205711) 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, 75102885 + 75102886.

It is an arithmetic number, because the mean of its divisors is an integer number (75102886).

Almost surely, 2^150205771 is an apocalyptic number.

150205771 is a deficient number, since it is larger than the sum of its proper divisors (1).

150205771 is an equidigital number, since it uses as much as digits as its factorization.

150205771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 150205771 is about 12255.8464007999. The cubic root of 150205771 is about 531.5721339293.

The spelling of 150205771 in words is "one hundred fifty million, two hundred five thousand, seven hundred seventy-one".