152009 has 8 divisors (see below), whose sum is σ = 178752. Its totient is φ = 127440.

The previous prime is 152003. The next prime is 152017. The reversal of 152009 is 900251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 152009.

It is not an unprimeable number, because it can be changed into a prime (152003) 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, 389 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (22344).

2¹⁵²⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

152009 is a deficient number, since it is larger than the sum of its proper divisors (26743).

152009 is a wasteful number, since it uses less digits than its factorization.

152009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 152009 is about 389.8833158780. The cubic root of 152009 is about 53.3690862701.

It can be divided in two parts, 15 and 2009, that multiplied together give a triangular number (30135 = T₂₄₅).

The spelling of 152009 in words is "one hundred fifty-two thousand, nine".