80575146 has 12 divisors (see below), whose sum is σ = 174579522. Its totient is φ = 26858376.

The previous prime is 80575139. The next prime is 80575147. The reversal of 80575146 is 64157508.

80575146 is a `hidden beast` number, since 80 + 575 + 1 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80299521 + 275625 = 8961^2 + 525^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80575146.

It is not an unprimeable number, because it can be changed into a prime (80575147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2238181 + ... + 2238216.

Almost surely, 2^80575146 is an apocalyptic number.

80575146 is an abundant number, since it is smaller than the sum of its proper divisors (94004376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80575146 is a wasteful number, since it uses less digits than its factorization.

80575146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476405 (or 4476402 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 80575146 is about 8976.3659684752. The cubic root of 80575146 is about 431.9170687000.

It can be divided in two parts, 8057 and 5146, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 80575146 in words is "eighty million, five hundred seventy-five thousand, one hundred forty-six".