80493142 has 4 divisors (see below), whose sum is σ = 120739716. Its totient is φ = 40246570.

The previous prime is 80493137. The next prime is 80493163. The reversal of 80493142 is 24139408.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×80493142³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123284 + ... + 20123287.

It is an arithmetic number, because the mean of its divisors is an integer number (30184929).

Almost surely, 2^80493142 is an apocalyptic number.

80493142 is a deficient number, since it is larger than the sum of its proper divisors (40246574).

80493142 is a wasteful number, since it uses less digits than its factorization.

80493142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40246573.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 80493142 is about 8971.7970329249. The cubic root of 80493142 is about 431.7704935192.

The spelling of 80493142 in words is "eighty million, four hundred ninety-three thousand, one hundred forty-two".