80918142 has 8 divisors (see below), whose sum is σ = 161836296. Its totient is φ = 26972712.

The previous prime is 80918137. The next prime is 80918143. The reversal of 80918142 is 24181908.

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

80918142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80918143) 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, 6743173 + ... + 6743184.

It is an arithmetic number, because the mean of its divisors is an integer number (20229537).

Almost surely, 2^80918142 is an apocalyptic number.

80918142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80918142 is a wasteful number, since it uses less digits than its factorization.

80918142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486362.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 80918142 is about 8995.4511837928. The cubic root of 80918142 is about 432.5290692925.

The spelling of 80918142 in words is "eighty million, nine hundred eighteen thousand, one hundred forty-two".