80578142 has 8 divisors (see below), whose sum is σ = 120909000. Its totient is φ = 40275144.

The previous prime is 80578111. The next prime is 80578159. The reversal of 80578142 is 24187508.

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

It is a super-3 number, since 3×80578142³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284 + ... + 13112.

It is an arithmetic number, because the mean of its divisors is an integer number (15113625).

Almost surely, 2^80578142 is an apocalyptic number.

80578142 is a deficient number, since it is larger than the sum of its proper divisors (40330858).

80578142 is a wasteful number, since it uses less digits than its factorization.

80578142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 80578142 is about 8976.5328496029. The cubic root of 80578142 is about 431.9224219119.

The spelling of 80578142 in words is "eighty million, five hundred seventy-eight thousand, one hundred forty-two".