80180144 has 40 divisors (see below), whose sum is σ = 171155712. Its totient is φ = 36083520.

The previous prime is 80180141. The next prime is 80180153. The reversal of 80180144 is 44108108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80180141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15917 + ... + 20339.

Almost surely, 2^80180144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80180144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85577856).

80180144 is an abundant number, since it is smaller than the sum of its proper divisors (90975568).

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

80180144 is a wasteful number, since it uses less digits than its factorization.

80180144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545 (or 4539 counting only the distinct ones).

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

The square root of 80180144 is about 8954.3366030097. The cubic root of 80180144 is about 431.2101192834.

Subtracting from 80180144 its reverse (44108108), we obtain a square (36072036 = 6006²).

The spelling of 80180144 in words is "eighty million, one hundred eighty thousand, one hundred forty-four".