180378932145 has 16 divisors (see below), whose sum is σ = 288809140992. Its totient is φ = 96134480640.

The previous prime is 180378932113. The next prime is 180378932147. The reversal of 180378932145 is 541239873081.

It is not a de Polignac number, because 180378932145 - 2⁵ = 180378932113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180378932147) 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, 4203976 + ... + 4246665.

It is an arithmetic number, because the mean of its divisors is an integer number (18050571312).

Almost surely, 2^180378932145 is an apocalyptic number.

180378932145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180378932145 is a deficient number, since it is larger than the sum of its proper divisors (108430208847).

180378932145 is a wasteful number, since it uses less digits than its factorization.

180378932145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452072.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 180378932145 in words is "one hundred eighty billion, three hundred seventy-eight million, nine hundred thirty-two thousand, one hundred forty-five".