80132745 has 32 divisors (see below), whose sum is σ = 159851520. Its totient is φ = 33301440.

The previous prime is 80132743. The next prime is 80132777. The reversal of 80132745 is 54723108.

It is not a de Polignac number, because 80132745 - 2¹ = 80132743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80132743) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 33535 + ... + 35844.

It is an arithmetic number, because the mean of its divisors is an integer number (4995360).

Almost surely, 2^80132745 is an apocalyptic number.

It is an amenable number.

80132745 is a deficient number, since it is larger than the sum of its proper divisors (79718775).

80132745 is a wasteful number, since it uses less digits than its factorization.

80132745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69405.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 80132745 is about 8951.6895053392. The cubic root of 80132745 is about 431.1251316698.

The spelling of 80132745 in words is "eighty million, one hundred thirty-two thousand, seven hundred forty-five".