152109 has 6 divisors (see below), whose sum is σ = 219726. Its totient is φ = 101400.

The previous prime is 152093. The next prime is 152111. The reversal of 152109 is 901251.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 9 = 390^2 + 3^2 .

It is not a de Polignac number, because 152109 - 2⁴ = 152093 is a prime.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 152091 and 152100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8442 + ... + 8459.

It is an arithmetic number, because the mean of its divisors is an integer number (36621).

2¹⁵²¹⁰⁹ is an apocalyptic number.

It is an amenable number.

152109 is a deficient number, since it is larger than the sum of its proper divisors (67617).

152109 is a wasteful number, since it uses less digits than its factorization.

152109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16907 (or 16904 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 152109 is about 390.0115382909. The cubic root of 152109 is about 53.3807867588.

The spelling of 152109 in words is "one hundred fifty-two thousand, one hundred nine".