80285145394 has 8 divisors (see below), whose sum is σ = 120435763500. Its totient is φ = 40139890896.

The previous prime is 80285145389. The next prime is 80285145407. The reversal of 80285145394 is 49354158208.

It can be written as a sum of positive squares in 2 ways, for example, as 66417021225 + 13868124169 = 257715^2 + 117763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303269 + ... + 1363480.

Almost surely, 2^80285145394 is an apocalyptic number.

80285145394 is a deficient number, since it is larger than the sum of its proper divisors (40150618106).

80285145394 is a wasteful number, since it uses less digits than its factorization.

80285145394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681804.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 80285145394 in words is "eighty billion, two hundred eighty-five million, one hundred forty-five thousand, three hundred ninety-four".