150231709 has 2 divisors, whose sum is σ = 150231710. Its totient is φ = 150231708.

The previous prime is 150231701. The next prime is 150231751. The reversal of 150231709 is 907132051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129891609 + 20340100 = 11397^2 + 4510^2 .

It is a cyclic number.

It is not a de Polignac number, because 150231709 - 2³ = 150231701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150231701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75115854 + 75115855.

It is an arithmetic number, because the mean of its divisors is an integer number (75115855).

Almost surely, 2^150231709 is an apocalyptic number.

It is an amenable number.

150231709 is a deficient number, since it is larger than the sum of its proper divisors (1).

150231709 is an equidigital number, since it uses as much as digits as its factorization.

150231709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 150231709 is about 12256.9045439703. The cubic root of 150231709 is about 531.6027300117.

The spelling of 150231709 in words is "one hundred fifty million, two hundred thirty-one thousand, seven hundred nine".