489578153 has 4 divisors (see below), whose sum is σ = 490427220. Its totient is φ = 488729088.

The previous prime is 489578143. The next prime is 489578183. The reversal of 489578153 is 351875984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 468159769 + 21418384 = 21637^2 + 4628^2 .

It is a cyclic number.

It is not a de Polignac number, because 489578153 - 2⁴ = 489578137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489578123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423668 + ... + 424821.

It is an arithmetic number, because the mean of its divisors is an integer number (122606805).

Almost surely, 2^489578153 is an apocalyptic number.

It is an amenable number.

489578153 is a deficient number, since it is larger than the sum of its proper divisors (849067).

489578153 is an equidigital number, since it uses as much as digits as its factorization.

489578153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849066.

The product of its digits is 1209600, while the sum is 50.

The square root of 489578153 is about 22126.4130170256. The cubic root of 489578153 is about 788.1472112172.

The spelling of 489578153 in words is "four hundred eighty-nine million, five hundred seventy-eight thousand, one hundred fifty-three".