152909 has 2 divisors, whose sum is σ = 152910. Its totient is φ = 152908.

The previous prime is 152899. The next prime is 152939. The reversal of 152909 is 909251.

It is a happy number.

152909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77284 + 75625 = 278^2 + 275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76454 + 76455.

It is an arithmetic number, because the mean of its divisors is an integer number (76455).

2¹⁵²⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

152909 is a deficient number, since it is larger than the sum of its proper divisors (1).

152909 is an equidigital number, since it uses as much as digits as its factorization.

152909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 152909 is about 391.0358039873. The cubic root of 152909 is about 53.4742065667.

The spelling of 152909 in words is "one hundred fifty-two thousand, nine hundred nine".