80851142 has 8 divisors (see below), whose sum is σ = 124554576. Its totient is φ = 39332952.

The previous prime is 80851123. The next prime is 80851151. The reversal of 80851142 is 24115808.

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

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, 546218 + ... + 546365.

It is an arithmetic number, because the mean of its divisors is an integer number (15569322).

Almost surely, 2^80851142 is an apocalyptic number.

80851142 is a deficient number, since it is larger than the sum of its proper divisors (43703434).

80851142 is a wasteful number, since it uses less digits than its factorization.

80851142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092622.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 80851142 is about 8991.7263081124. The cubic root of 80851142 is about 432.4096587009.

The spelling of 80851142 in words is "eighty million, eight hundred fifty-one thousand, one hundred forty-two".