80807144 has 16 divisors (see below), whose sum is σ = 165287520. Its totient is φ = 36730480.

The previous prime is 80807143. The next prime is 80807183. The reversal of 80807144 is 44170808.

It is a self number, because there is not a number n which added to its sum of digits gives 80807144.

It is not an unprimeable number, because it can be changed into a prime (80807141) 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, 459044 + ... + 459219.

It is an arithmetic number, because the mean of its divisors is an integer number (10330470).

Almost surely, 2^80807144 is an apocalyptic number.

It is an amenable number.

80807144 is an abundant number, since it is smaller than the sum of its proper divisors (84480376).

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

80807144 is a wasteful number, since it uses less digits than its factorization.

80807144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918280 (or 918276 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 80807144 is about 8989.2793926988. The cubic root of 80807144 is about 432.3312074805.

The spelling of 80807144 in words is "eighty million, eight hundred seven thousand, one hundred forty-four".