150704209 has 2 divisors, whose sum is σ = 150704210. Its totient is φ = 150704208.

The previous prime is 150704173. The next prime is 150704249. The reversal of 150704209 is 902407051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137945025 + 12759184 = 11745^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 150704209 - 2²³ = 142315601 is a prime.

It is a super-2 number, since 2×150704209² = 45423517220631362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150704249) 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, 75352104 + 75352105.

It is an arithmetic number, because the mean of its divisors is an integer number (75352105).

Almost surely, 2^150704209 is an apocalyptic number.

It is an amenable number.

150704209 is a deficient number, since it is larger than the sum of its proper divisors (1).

150704209 is an equidigital number, since it uses as much as digits as its factorization.

150704209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 150704209 is about 12276.1642625048. The cubic root of 150704209 is about 532.1594687014.

The spelling of 150704209 in words is "one hundred fifty million, seven hundred four thousand, two hundred nine".