150342161 has 2 divisors, whose sum is σ = 150342162. Its totient is φ = 150342160.

The previous prime is 150342131. The next prime is 150342163. The reversal of 150342161 is 161243051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96040000 + 54302161 = 9800^2 + 7369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150342161 is a prime.

It is a Sophie Germain prime.

Together with 150342163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (150342163) 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, 75171080 + 75171081.

It is an arithmetic number, because the mean of its divisors is an integer number (75171081).

Almost surely, 2^150342161 is an apocalyptic number.

It is an amenable number.

150342161 is a deficient number, since it is larger than the sum of its proper divisors (1).

150342161 is an equidigital number, since it uses as much as digits as its factorization.

150342161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 150342161 is about 12261.4094214328. The cubic root of 150342161 is about 531.7329781493.

The spelling of 150342161 in words is "one hundred fifty million, three hundred forty-two thousand, one hundred sixty-one".