180232394 has 8 divisors (see below), whose sum is σ = 271010820. Its totient is φ = 89895456.

The previous prime is 180232343. The next prime is 180232399. The reversal of 180232394 is 493232081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 144889369 + 35343025 = 12037^2 + 5945^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 180232394.

It is not an unprimeable number, because it can be changed into a prime (180232399) 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 3 ways as a sum of consecutive naturals, for example, 109349 + ... + 110984.

Almost surely, 2^180232394 is an apocalyptic number.

180232394 is a deficient number, since it is larger than the sum of its proper divisors (90778426).

180232394 is a wasteful number, since it uses less digits than its factorization.

180232394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220744.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 180232394 is about 13425.0658843821. The cubic root of 180232394 is about 564.8645029715.

The spelling of 180232394 in words is "one hundred eighty million, two hundred thirty-two thousand, three hundred ninety-four".