80473445 has 16 divisors (see below), whose sum is σ = 104209392. Its totient is φ = 59304960.

The previous prime is 80473441. The next prime is 80473453. The reversal of 80473445 is 54437408.

It can be written as a sum of positive squares in 8 ways, for example, as 13380964 + 67092481 = 3658^2 + 8191^2 .

It is not a de Polignac number, because 80473445 - 2² = 80473441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80473441) 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, 42029 + ... + 43901.

It is an arithmetic number, because the mean of its divisors is an integer number (6513087).

Almost surely, 2^80473445 is an apocalyptic number.

It is an amenable number.

80473445 is a deficient number, since it is larger than the sum of its proper divisors (23735947).

80473445 is a wasteful number, since it uses less digits than its factorization.

80473445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 80473445 is about 8970.6992481077. The cubic root of 80473445 is about 431.7352719794.

The spelling of 80473445 in words is "eighty million, four hundred seventy-three thousand, four hundred forty-five".