181297932045 has 8 divisors (see below), whose sum is σ = 290076691296. Its totient is φ = 96692230416.

The previous prime is 181297932043. The next prime is 181297932089. The reversal of 181297932045 is 540239792181.

181297932045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 181297932045 - 2¹ = 181297932043 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181297932043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6043264387 + ... + 6043264416.

It is an arithmetic number, because the mean of its divisors is an integer number (36259586412).

Almost surely, 2^181297932045 is an apocalyptic number.

181297932045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

181297932045 is a deficient number, since it is larger than the sum of its proper divisors (108778759251).

181297932045 is a wasteful number, since it uses less digits than its factorization.

181297932045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12086528811.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 181297932045 in words is "one hundred eighty-one billion, two hundred ninety-seven million, nine hundred thirty-two thousand, forty-five".