80280144 has 120 divisors (see below), whose sum is σ = 260524992. Its totient is φ = 22602240.

The previous prime is 80280133. The next prime is 80280163. The reversal of 80280144 is 44108208.

It is a super-3 number, since 3×80280144³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73039 + ... + 74129.

Almost surely, 2^80280144 is an apocalyptic number.

80280144 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80280144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130262496).

80280144 is an abundant number, since it is smaller than the sum of its proper divisors (180244848).

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

80280144 is a wasteful number, since it uses less digits than its factorization.

80280144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 80280144 is about 8959.9187496316. The cubic root of 80280144 is about 431.3893120173.

The spelling of 80280144 in words is "eighty million, two hundred eighty thousand, one hundred forty-four".