180047045 has 4 divisors (see below), whose sum is σ = 216056460. Its totient is φ = 144037632.

The previous prime is 180047033. The next prime is 180047047. The reversal of 180047045 is 540740081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141681409 + 38365636 = 11903^2 + 6194^2 .

It is a cyclic number.

It is not a de Polignac number, because 180047045 - 2¹² = 180042949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180046999 and 180047017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180047047) 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, 18004700 + ... + 18004709.

It is an arithmetic number, because the mean of its divisors is an integer number (54014115).

Almost surely, 2^180047045 is an apocalyptic number.

It is an amenable number.

180047045 is a deficient number, since it is larger than the sum of its proper divisors (36009415).

180047045 is an equidigital number, since it uses as much as digits as its factorization.

180047045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36009414.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 180047045 is about 13418.1610140883. The cubic root of 180047045 is about 564.6708030882.

The spelling of 180047045 in words is "one hundred eighty million, forty-seven thousand, forty-five".