180477345 has 16 divisors (see below), whose sum is σ = 293499072. Its totient is φ = 94676160.

The previous prime is 180477337. The next prime is 180477347. The reversal of 180477345 is 543774081.

180477345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 180477345 - 2³ = 180477337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180477347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97707 + ... + 99536.

It is an arithmetic number, because the mean of its divisors is an integer number (18343692).

Almost surely, 2^180477345 is an apocalyptic number.

180477345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180477345 is a deficient number, since it is larger than the sum of its proper divisors (113021727).

180477345 is a wasteful number, since it uses less digits than its factorization.

180477345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197312.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 180477345 is about 13434.1856842907. The cubic root of 180477345 is about 565.1202866040.

The spelling of 180477345 in words is "one hundred eighty million, four hundred seventy-seven thousand, three hundred forty-five".