150002309 has 2 divisors, whose sum is σ = 150002310. Its totient is φ = 150002308.

The previous prime is 150002269. The next prime is 150002311. The reversal of 150002309 is 903200051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125776225 + 24226084 = 11215^2 + 4922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150002309 is a prime.

Together with 150002311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150002009) 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, 75001154 + 75001155.

It is an arithmetic number, because the mean of its divisors is an integer number (75001155).

Almost surely, 2^150002309 is an apocalyptic number.

It is an amenable number.

150002309 is a deficient number, since it is larger than the sum of its proper divisors (1).

150002309 is an equidigital number, since it uses as much as digits as its factorization.

150002309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 150002309 is about 12247.5429780834. The cubic root of 150002309 is about 531.3320108869.

The spelling of 150002309 in words is "one hundred fifty million, two thousand, three hundred nine".