150672209 has 2 divisors, whose sum is σ = 150672210. Its totient is φ = 150672208.

The previous prime is 150672169. The next prime is 150672229. The reversal of 150672209 is 902276051.

150672209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150601984 + 70225 = 12272^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 150672209 - 2¹² = 150668113 is a prime.

It is a super-2 number, since 2×150672209² = 45404229129879362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (150672229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75336104 + 75336105.

It is an arithmetic number, because the mean of its divisors is an integer number (75336105).

Almost surely, 2^150672209 is an apocalyptic number.

It is an amenable number.

150672209 is a deficient number, since it is larger than the sum of its proper divisors (1).

150672209 is an equidigital number, since it uses as much as digits as its factorization.

150672209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 150672209 is about 12274.8608546085. The cubic root of 150672209 is about 532.1218004139.

The spelling of 150672209 in words is "one hundred fifty million, six hundred seventy-two thousand, two hundred nine".