152389109 has 2 divisors, whose sum is σ = 152389110. Its totient is φ = 152389108.

The previous prime is 152389031. The next prime is 152389117. The reversal of 152389109 is 901983251.

152389109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137007025 + 15382084 = 11705^2 + 3922^2 .

It is a cyclic number.

It is not a de Polignac number, because 152389109 - 2²⁰ = 151340533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152389129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76194554 + 76194555.

It is an arithmetic number, because the mean of its divisors is an integer number (76194555).

Almost surely, 2^152389109 is an apocalyptic number.

It is an amenable number.

152389109 is a deficient number, since it is larger than the sum of its proper divisors (1).

152389109 is an equidigital number, since it uses as much as digits as its factorization.

152389109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 152389109 is about 12344.5983733777. The cubic root of 152389109 is about 534.1353360448.

The spelling of 152389109 in words is "one hundred fifty-two million, three hundred eighty-nine thousand, one hundred nine".