180450853 has 4 divisors (see below), whose sum is σ = 196855488. Its totient is φ = 164046220.

The previous prime is 180450841. The next prime is 180450857. The reversal of 180450853 is 358054081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 180450853 - 2⁵ = 180450821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180450857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8202301 + ... + 8202322.

It is an arithmetic number, because the mean of its divisors is an integer number (49213872).

Almost surely, 2^180450853 is an apocalyptic number.

It is an amenable number.

180450853 is a deficient number, since it is larger than the sum of its proper divisors (16404635).

180450853 is a wasteful number, since it uses less digits than its factorization.

180450853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16404634.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 180450853 is about 13433.1996560760. The cubic root of 180450853 is about 565.0926341966.

The spelling of 180450853 in words is "one hundred eighty million, four hundred fifty thousand, eight hundred fifty-three".