180852909 has 8 divisors (see below), whose sum is σ = 243349920. Its totient is φ = 119462256.

The previous prime is 180852863. The next prime is 180852937. The reversal of 180852909 is 909258081.

It is a happy number.

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

It is not a de Polignac number, because 180852909 - 2¹¹ = 180850861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180852949) 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, 276207 + ... + 276860.

It is an arithmetic number, because the mean of its divisors is an integer number (30418740).

Almost surely, 2^180852909 is an apocalyptic number.

It is an amenable number.

180852909 is a deficient number, since it is larger than the sum of its proper divisors (62497011).

180852909 is a wasteful number, since it uses less digits than its factorization.

180852909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553179.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 180852909 is about 13448.1563420418. The cubic root of 180852909 is about 565.5120103519.

The spelling of 180852909 in words is "one hundred eighty million, eight hundred fifty-two thousand, nine hundred nine".