80081445 has 8 divisors (see below), whose sum is σ = 128130336. Its totient is φ = 42710096.

The previous prime is 80081429. The next prime is 80081453. The reversal of 80081445 is 54418008.

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

It is a cyclic number.

It is not a de Polignac number, because 80081445 - 2⁴ = 80081429 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2669367 + ... + 2669396.

It is an arithmetic number, because the mean of its divisors is an integer number (16016292).

Almost surely, 2^80081445 is an apocalyptic number.

It is an amenable number.

80081445 is a deficient number, since it is larger than the sum of its proper divisors (48048891).

80081445 is a wasteful number, since it uses less digits than its factorization.

80081445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338771.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 80081445 is about 8948.8236657116. The cubic root of 80081445 is about 431.0331116907.

It can be divided in two parts, 8008 and 1445, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 80081445 in words is "eighty million, eighty-one thousand, four hundred forty-five".