180790546 has 8 divisors (see below), whose sum is σ = 287137980. Its totient is φ = 85077888.

The previous prime is 180790541. The next prime is 180790601. The reversal of 180790546 is 645097081.

It can be written as a sum of positive squares in 2 ways, for example, as 179265321 + 1525225 = 13389^2 + 1235^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 180790499 and 180790508.

It is not an unprimeable number, because it can be changed into a prime (180790541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658651 + ... + 2658718.

Almost surely, 2^180790546 is an apocalyptic number.

180790546 is a deficient number, since it is larger than the sum of its proper divisors (106347434).

180790546 is a wasteful number, since it uses less digits than its factorization.

180790546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317388.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 180790546 is about 13445.8374971587. The cubic root of 180790546 is about 565.4470015736.

The spelling of 180790546 in words is "one hundred eighty million, seven hundred ninety thousand, five hundred forty-six".