150401309 has 2 divisors, whose sum is σ = 150401310. Its totient is φ = 150401308.

The previous prime is 150401297. The next prime is 150401311. The reversal of 150401309 is 903104051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137405284 + 12996025 = 11722^2 + 3605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150401309 is a prime.

Together with 150401311, 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 (150401609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75200654 + 75200655.

It is an arithmetic number, because the mean of its divisors is an integer number (75200655).

Almost surely, 2^150401309 is an apocalyptic number.

It is an amenable number.

150401309 is a deficient number, since it is larger than the sum of its proper divisors (1).

150401309 is an equidigital number, since it uses as much as digits as its factorization.

150401309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 150401309 is about 12263.8211418791. The cubic root of 150401309 is about 531.8027009256.

The spelling of 150401309 in words is "one hundred fifty million, four hundred one thousand, three hundred nine".