180081234 has 12 divisors (see below), whose sum is σ = 390176046. Its totient is φ = 60027072.

The previous prime is 180081233. The next prime is 180081287. The reversal of 180081234 is 432180081.

It can be written as a sum of positive squares in only one way, i.e., 177822225 + 2259009 = 13335^2 + 1503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 180081198 and 180081207.

It is not an unprimeable number, because it can be changed into a prime (180081233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5002239 + ... + 5002274.

Almost surely, 2^180081234 is an apocalyptic number.

180081234 is an abundant number, since it is smaller than the sum of its proper divisors (210094812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180081234 is a wasteful number, since it uses less digits than its factorization.

180081234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004521 (or 10004518 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 180081234 is about 13419.4349359427. The cubic root of 180081234 is about 564.7065424663.

The spelling of 180081234 in words is "one hundred eighty million, eighty-one thousand, two hundred thirty-four".