150648709 has 2 divisors, whose sum is σ = 150648710. Its totient is φ = 150648708.

The previous prime is 150648691. The next prime is 150648721. The reversal of 150648709 is 907846051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87890625 + 62758084 = 9375^2 + 7922^2 .

It is a cyclic number.

It is not a de Polignac number, because 150648709 - 2¹⁷ = 150517637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150648749) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75324354 + 75324355.

It is an arithmetic number, because the mean of its divisors is an integer number (75324355).

Almost surely, 2^150648709 is an apocalyptic number.

It is an amenable number.

150648709 is a deficient number, since it is larger than the sum of its proper divisors (1).

150648709 is an equidigital number, since it uses as much as digits as its factorization.

150648709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 150648709 is about 12273.9035762874. The cubic root of 150648709 is about 532.0941343685.

The spelling of 150648709 in words is "one hundred fifty million, six hundred forty-eight thousand, seven hundred nine".