80445252 has 24 divisors (see below), whose sum is σ = 192779776. Its totient is φ = 26090208.

The previous prime is 80445251. The next prime is 80445311. The reversal of 80445252 is 25254408.

It is not an unprimeable number, because it can be changed into a prime (80445251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90148 + ... + 91035.

Almost surely, 2^80445252 is an apocalyptic number.

It is an amenable number.

80445252 is an abundant number, since it is smaller than the sum of its proper divisors (112334524).

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

80445252 is a wasteful number, since it uses less digits than its factorization.

80445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181227 (or 181225 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 80445252 is about 8969.1277167849. The cubic root of 80445252 is about 431.6848481648.

It can be divided in two parts, 804 and 45252, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 80445252 in words is "eighty million, four hundred forty-five thousand, two hundred fifty-two".