80300545 has 32 divisors (see below), whose sum is σ = 107749152. Its totient is φ = 57065472.

The previous prime is 80300543. The next prime is 80300557. The reversal of 80300545 is 54500308.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 8271376 + 72029169 = 2876^2 + 8487^2 .

It is a cyclic number.

It is not a de Polignac number, because 80300545 - 2¹ = 80300543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80300543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415969 + ... + 416161.

It is an arithmetic number, because the mean of its divisors is an integer number (3367161).

Almost surely, 2^80300545 is an apocalyptic number.

It is an amenable number.

80300545 is a deficient number, since it is larger than the sum of its proper divisors (27448607).

80300545 is a wasteful number, since it uses less digits than its factorization.

80300545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 80300545 is about 8961.0571362981. The cubic root of 80300545 is about 431.4258508488.

The spelling of 80300545 in words is "eighty million, three hundred thousand, five hundred forty-five".