180745384 has 32 divisors (see below), whose sum is σ = 349977600. Its totient is φ = 87454080.

The previous prime is 180745373. The next prime is 180745393. The reversal of 180745384 is 483547081.

180745384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39487 + ... + 43825.

It is an arithmetic number, because the mean of its divisors is an integer number (10936800).

Almost surely, 2^180745384 is an apocalyptic number.

It is an amenable number.

180745384 is a deficient number, since it is larger than the sum of its proper divisors (169232216).

180745384 is a wasteful number, since it uses less digits than its factorization.

180745384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513 (or 4509 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 180745384 is about 13444.1579877655. The cubic root of 180745384 is about 565.3999142218.

The spelling of 180745384 in words is "one hundred eighty million, seven hundred forty-five thousand, three hundred eighty-four".