180933145748 has 6 divisors (see below), whose sum is σ = 316633005066. Its totient is φ = 90466572872.

The previous prime is 180933145741. The next prime is 180933145751. The reversal of 180933145748 is 847541339081.

It can be written as a sum of positive squares in only one way, i.e., 178288306564 + 2644839184 = 422242^2 + 51428^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 180933145748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180933145741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22616643215 + ... + 22616643222.

It is an arithmetic number, because the mean of its divisors is an integer number (52772167511).

Almost surely, 2^180933145748 is an apocalyptic number.

It is an amenable number.

180933145748 is a deficient number, since it is larger than the sum of its proper divisors (135699859318).

180933145748 is a wasteful number, since it uses less digits than its factorization.

180933145748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45233286441 (or 45233286439 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 180933145748 in words is "one hundred eighty billion, nine hundred thirty-three million, one hundred forty-five thousand, seven hundred forty-eight".