485143491 has 16 divisors (see below), whose sum is σ = 740386304. Its totient is φ = 276804864.

The previous prime is 485143481. The next prime is 485143537. The reversal of 485143491 is 194341584.

It is not a de Polignac number, because 485143491 - 2¹⁴ = 485127107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485143481) 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 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 31296.

It is an arithmetic number, because the mean of its divisors is an integer number (46274144).

Almost surely, 2^485143491 is an apocalyptic number.

485143491 is a deficient number, since it is larger than the sum of its proper divisors (255242813).

485143491 is a wasteful number, since it uses less digits than its factorization.

485143491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010.

The product of its digits is 69120, while the sum is 39.

The square root of 485143491 is about 22025.9730999563. The cubic root of 485143491 is about 785.7602765885.

The spelling of 485143491 in words is "four hundred eighty-five million, one hundred forty-three thousand, four hundred ninety-one".