489065144 has 32 divisors (see below), whose sum is σ = 942606720. Its totient is φ = 237755616.

The previous prime is 489065141. The next prime is 489065177. The reversal of 489065144 is 441560984.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489065141) 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, 74957 + ... + 81219.

It is an arithmetic number, because the mean of its divisors is an integer number (29456460).

Almost surely, 2^489065144 is an apocalyptic number.

It is an amenable number.

489065144 is a deficient number, since it is larger than the sum of its proper divisors (453541576).

489065144 is a wasteful number, since it uses less digits than its factorization.

489065144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539 (or 6535 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 489065144 is about 22114.8172951983. The cubic root of 489065144 is about 787.8718258892.

The spelling of 489065144 in words is "four hundred eighty-nine million, sixty-five thousand, one hundred forty-four".