180542232 has 48 divisors (see below), whose sum is σ = 526584240. Its totient is φ = 55551168.

The previous prime is 180542231. The next prime is 180542267. The reversal of 180542232 is 232245081.

It is a junction number, because it is equal to n+sod(n) for n = 180542196 and 180542205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180542231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95508 + ... + 97379.

It is an arithmetic number, because the mean of its divisors is an integer number (10970505).

Almost surely, 2^180542232 is an apocalyptic number.

180542232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180542232 is an abundant number, since it is smaller than the sum of its proper divisors (346042008).

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

180542232 is a wasteful number, since it uses less digits than its factorization.

180542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192912 (or 192905 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 180542232 is about 13436.6004629147. The cubic root of 180542232 is about 565.1880043673.

The spelling of 180542232 in words is "one hundred eighty million, five hundred forty-two thousand, two hundred thirty-two".