150009 has 8 divisors (see below), whose sum is σ = 206592. Its totient is φ = 96720.

The previous prime is 150001. The next prime is 150011. The reversal of 150009 is 900051.

150009 = T₁₂₀ + T₁₂₁ + ... + T₁₃₇.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 150009 - 2³ = 150001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150009.

It is not an unprimeable number, because it can be changed into a prime (150001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (25824).

2¹⁵⁰⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

150009 is a deficient number, since it is larger than the sum of its proper divisors (56583).

150009 is a wasteful number, since it uses less digits than its factorization.

150009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 150009 is about 387.3099533965. The cubic root of 150009 is about 53.1339910964.

The spelling of 150009 in words is "one hundred fifty thousand, nine".