180749312 has 44 divisors (see below), whose sum is σ = 363547200. Its totient is φ = 89819136.

The previous prime is 180749291. The next prime is 180749333. The reversal of 180749312 is 213947081.

It is an interprime number because it is at equal distance from previous prime (180749291) and next prime (180749333).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203333 + ... + 204219.

Almost surely, 2^180749312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180749312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181773600).

180749312 is an abundant number, since it is smaller than the sum of its proper divisors (182797888).

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

180749312 is an equidigital number, since it uses as much as digits as its factorization.

180749312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 180749312 is about 13444.3040727291. The cubic root of 180749312 is about 565.4040099922.

The spelling of 180749312 in words is "one hundred eighty million, seven hundred forty-nine thousand, three hundred twelve".