80135745 has 16 divisors (see below), whose sum is σ = 128348160. Its totient is φ = 42695424.

The previous prime is 80135717. The next prime is 80135777. The reversal of 80135745 is 54753108.

It is not a de Polignac number, because 80135745 - 2¹⁶ = 80070209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17097 + ... + 21273.

It is an arithmetic number, because the mean of its divisors is an integer number (8021760).

Almost surely, 2^80135745 is an apocalyptic number.

It is an amenable number.

80135745 is a deficient number, since it is larger than the sum of its proper divisors (48212415).

80135745 is a wasteful number, since it uses less digits than its factorization.

80135745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 80135745 is about 8951.8570699045. The cubic root of 80135745 is about 431.1305117395.

The spelling of 80135745 in words is "eighty million, one hundred thirty-five thousand, seven hundred forty-five".