489843545 has 8 divisors (see below), whose sum is σ = 587949000. Its totient is φ = 391783680.

The previous prime is 489843533. The next prime is 489843551. The reversal of 489843545 is 545348984.

It can be written as a sum of positive squares in 4 ways, for example, as 26173456 + 463670089 = 5116^2 + 21533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 489843545 - 2¹⁴ = 489827161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 489843493 and 489843502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20225 + ... + 37265.

It is an arithmetic number, because the mean of its divisors is an integer number (73493625).

Almost surely, 2^489843545 is an apocalyptic number.

It is an amenable number.

489843545 is a deficient number, since it is larger than the sum of its proper divisors (98105455).

489843545 is a wasteful number, since it uses less digits than its factorization.

489843545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22795.

The product of its digits is 2764800, while the sum is 50.

The square root of 489843545 is about 22132.4093808153. The cubic root of 489843545 is about 788.2895992298.

The spelling of 489843545 in words is "four hundred eighty-nine million, eight hundred forty-three thousand, five hundred forty-five".