489562154 has 8 divisors (see below), whose sum is σ = 737550660. Its totient is φ = 243711936.

The previous prime is 489562121. The next prime is 489562159. The reversal of 489562154 is 451265984.

It can be written as a sum of positive squares in 2 ways, for example, as 476767225 + 12794929 = 21835^2 + 3577^2 .

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

It is a super-2 number, since 2×489562154² = 479342205258239432, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489562159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533999 + ... + 534914.

Almost surely, 2^489562154 is an apocalyptic number.

489562154 is a deficient number, since it is larger than the sum of its proper divisors (247988506).

489562154 is a wasteful number, since it uses less digits than its factorization.

489562154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069144.

The product of its digits is 345600, while the sum is 44.

The square root of 489562154 is about 22126.0514778394. The cubic root of 489562154 is about 788.1386257956.

The spelling of 489562154 in words is "four hundred eighty-nine million, five hundred sixty-two thousand, one hundred fifty-four".