80755144 has 16 divisors (see below), whose sum is σ = 151516620. Its totient is φ = 40350720.

The previous prime is 80755133. The next prime is 80755153. The reversal of 80755144 is 44155708.

It can be written as a sum of positive squares in 2 ways, for example, as 78535044 + 2220100 = 8862^2 + 1490^2 .

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 3 ways as a sum of consecutive naturals, for example, 15964 + ... + 20404.

Almost surely, 2^80755144 is an apocalyptic number.

It is an amenable number.

80755144 is a deficient number, since it is larger than the sum of its proper divisors (70761476).

80755144 is a wasteful number, since it uses less digits than its factorization.

80755144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 80755144 is about 8986.3865930640. The cubic root of 80755144 is about 432.2384514622.

The spelling of 80755144 in words is "eighty million, seven hundred fifty-five thousand, one hundred forty-four".