80081144 has 32 divisors (see below), whose sum is σ = 176405040. Its totient is φ = 33600000.

The previous prime is 80081137. The next prime is 80081171. The reversal of 80081144 is 44118008.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33857 + ... + 36144.

Almost surely, 2^80081144 is an apocalyptic number.

It is an amenable number.

80081144 is an abundant number, since it is smaller than the sum of its proper divisors (96323896).

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

80081144 is a wasteful number, since it uses less digits than its factorization.

80081144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70031 (or 70027 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 80081144 is about 8948.8068478429. The cubic root of 80081144 is about 431.0325716525.

The spelling of 80081144 in words is "eighty million, eighty-one thousand, one hundred forty-four".