180545849 has 8 divisors (see below), whose sum is σ = 198377760. Its totient is φ = 162950400.

The previous prime is 180545819. The next prime is 180545857. The reversal of 180545849 is 948545081.

180545849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-180545849 is a prime.

It is a super-2 number, since 2×180545849² = 65193607182261602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180545819) 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, 57512 + ... + 60569.

It is an arithmetic number, because the mean of its divisors is an integer number (24797220).

Almost surely, 2^180545849 is an apocalyptic number.

It is an amenable number.

180545849 is a deficient number, since it is larger than the sum of its proper divisors (17831911).

180545849 is a wasteful number, since it uses less digits than its factorization.

180545849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118231.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 180545849 is about 13436.7350572972. The cubic root of 180545849 is about 565.1917786853.

The spelling of 180545849 in words is "one hundred eighty million, five hundred forty-five thousand, eight hundred forty-nine".