150109 has 4 divisors (see below), whose sum is σ = 154204. Its totient is φ = 146016.

The previous prime is 150107. The next prime is 150131. The reversal of 150109 is 901051.

150109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901051 = 17 ⋅53003.

It can be written as a sum of positive squares in 2 ways, for example, as 108900 + 41209 = 330^2 + 203^2 .

It is a cyclic number.

It is not a de Polignac number, because 150109 - 2¹ = 150107 is a prime.

It is a Duffinian number.

150109 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 150092 and 150101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1992 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (38551).

2¹⁵⁰¹⁰⁹ is an apocalyptic number.

It is an amenable number.

150109 is a deficient number, since it is larger than the sum of its proper divisors (4095).

150109 is an equidigital number, since it uses as much as digits as its factorization.

150109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 150109 is about 387.4390274611. The cubic root of 150109 is about 53.1457953190.

The spelling of 150109 in words is "one hundred fifty thousand, one hundred nine".