80542514 has 8 divisors (see below), whose sum is σ = 130107180. Its totient is φ = 37173456.

The previous prime is 80542513. The next prime is 80542531. The reversal of 80542514 is 41524508.

It can be written as a sum of positive squares in 2 ways, for example, as 78765625 + 1776889 = 8875^2 + 1333^2 .

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

It is a super-2 number, since 2×80542514² = 12974193122880392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80542513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548869 + ... + 1548920.

Almost surely, 2^80542514 is an apocalyptic number.

80542514 is a deficient number, since it is larger than the sum of its proper divisors (49564666).

80542514 is a wasteful number, since it uses less digits than its factorization.

80542514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097804.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 80542514 is about 8974.5481223291. The cubic root of 80542514 is about 431.8587536918.

The spelling of 80542514 in words is "eighty million, five hundred forty-two thousand, five hundred fourteen".