180467145 has 24 divisors (see below), whose sum is σ = 323598600. Its totient is φ = 92929536.

The previous prime is 180467143. The next prime is 180467153. The reversal of 180467145 is 541764081.

It is a happy number.

180467145 is a `hidden beast` number, since 180 + 467 + 14 + 5 = 666.

180467145 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 4 ways, for example, as 51667344 + 128799801 = 7188^2 + 11349^2 .

It is not a de Polignac number, because 180467145 - 2¹ = 180467143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180467141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67840 + ... + 70449.

It is an arithmetic number, because the mean of its divisors is an integer number (13483275).

Almost surely, 2^180467145 is an apocalyptic number.

180467145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180467145 is a deficient number, since it is larger than the sum of its proper divisors (143131455).

180467145 is a wasteful number, since it uses less digits than its factorization.

180467145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138329 (or 138326 counting only the distinct ones).

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

The square root of 180467145 is about 13433.8060504088. The cubic root of 180467145 is about 565.1096401422.

The spelling of 180467145 in words is "one hundred eighty million, four hundred sixty-seven thousand, one hundred forty-five".