150340181 has 2 divisors, whose sum is σ = 150340182. Its totient is φ = 150340180.

The previous prime is 150340109. The next prime is 150340193. The reversal of 150340181 is 181043051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148474225 + 1865956 = 12185^2 + 1366^2 .

It is a cyclic number.

It is not a de Polignac number, because 150340181 - 2¹⁰ = 150339157 is a prime.

It is a super-2 number, since 2×150340181² = 45204340046225522, which contains 22 as substring.

It is a Sophie Germain 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 (150340681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75170090 + 75170091.

It is an arithmetic number, because the mean of its divisors is an integer number (75170091).

Almost surely, 2^150340181 is an apocalyptic number.

It is an amenable number.

150340181 is a deficient number, since it is larger than the sum of its proper divisors (1).

150340181 is an equidigital number, since it uses as much as digits as its factorization.

150340181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 150340181 is about 12261.3286800412. The cubic root of 150340181 is about 531.7306438386.

The spelling of 150340181 in words is "one hundred fifty million, three hundred forty thousand, one hundred eighty-one".