80003445 has 16 divisors (see below), whose sum is σ = 135535680. Its totient is φ = 40158464.

The previous prime is 80003387. The next prime is 80003449. The reversal of 80003445 is 54430008.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80003445 - 2⁹ = 80002933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80003449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156615 + ... + 157124.

It is an arithmetic number, because the mean of its divisors is an integer number (8470980).

Almost surely, 2^80003445 is an apocalyptic number.

80003445 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80003445 is a deficient number, since it is larger than the sum of its proper divisors (55532235).

80003445 is a wasteful number, since it uses less digits than its factorization.

80003445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313764.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 80003445 is about 8944.4644892805. The cubic root of 80003445 is about 430.8931229405.

The spelling of 80003445 in words is "eighty million, three thousand, four hundred forty-five".