180476145 has 12 divisors (see below), whose sum is σ = 312825396. Its totient is φ = 96253920.

The previous prime is 180476143. The next prime is 180476159. The reversal of 180476145 is 541674081.

It is a happy number.

180476145 is a `hidden beast` number, since 180 + 476 + 1 + 4 + 5 = 666.

180476145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37051569 + 143424576 = 6087^2 + 11976^2 .

It is not a de Polignac number, because 180476145 - 2¹ = 180476143 is a prime.

It is a super-2 number, since 2×180476145² = 65143277828122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180476143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2005246 + ... + 2005335.

It is an arithmetic number, because the mean of its divisors is an integer number (26068783).

Almost surely, 2^180476145 is an apocalyptic number.

180476145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180476145 is a deficient number, since it is larger than the sum of its proper divisors (132349251).

180476145 is a wasteful number, since it uses less digits than its factorization.

180476145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010592 (or 4010589 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 180476145 is about 13434.1410220378. The cubic root of 180476145 is about 565.1190340999.

The spelling of 180476145 in words is "one hundred eighty million, four hundred seventy-six thousand, one hundred forty-five".