180342307 has 4 divisors (see below), whose sum is σ = 190950696. Its totient is φ = 169733920.

The previous prime is 180342277. The next prime is 180342311. The reversal of 180342307 is 703243081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 180342307 - 2¹⁹ = 179818019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180342367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5304169 + ... + 5304202.

It is an arithmetic number, because the mean of its divisors is an integer number (47737674).

Almost surely, 2^180342307 is an apocalyptic number.

180342307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

180342307 is a deficient number, since it is larger than the sum of its proper divisors (10608389).

180342307 is a wasteful number, since it uses less digits than its factorization.

180342307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608388.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 180342307 is about 13429.1588344170. The cubic root of 180342307 is about 564.9793053741.

Adding to 180342307 its reverse (703243081), we get a palindrome (883585388).

The spelling of 180342307 in words is "one hundred eighty million, three hundred forty-two thousand, three hundred seven".