80146458 has 72 divisors (see below), whose sum is σ = 204471540. Its totient is φ = 22619520.

The previous prime is 80146457. The next prime is 80146471. The reversal of 80146458 is 85464108.

80146458 is a `hidden beast` number, since 8 + 0 + 1 + 4 + 645 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78907689 + 1238769 = 8883^2 + 1113^2 .

It is not an unprimeable number, because it can be changed into a prime (80146457) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77988 + ... + 79008.

Almost surely, 2^80146458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80146458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102235770).

80146458 is an abundant number, since it is smaller than the sum of its proper divisors (124325082).

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

80146458 is a wasteful number, since it uses less digits than its factorization.

80146458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 80146458 is about 8952.4554173701. The cubic root of 80146458 is about 431.1497228725.

The spelling of 80146458 in words is "eighty million, one hundred forty-six thousand, four hundred fifty-eight".