485131845 has 32 divisors (see below), whose sum is σ = 891348480. Its totient is φ = 222834240.

The previous prime is 485131837. The next prime is 485131849. The reversal of 485131845 is 548131584.

It is not a de Polignac number, because 485131845 - 2³ = 485131837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485131849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74239 + ... + 80508.

It is an arithmetic number, because the mean of its divisors is an integer number (27854640).

Almost surely, 2^485131845 is an apocalyptic number.

It is an amenable number.

485131845 is a deficient number, since it is larger than the sum of its proper divisors (406216635).

485131845 is a wasteful number, since it uses less digits than its factorization.

485131845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154785.

The product of its digits is 76800, while the sum is 39.

The square root of 485131845 is about 22025.7087286652. The cubic root of 485131845 is about 785.7539890759.

The spelling of 485131845 in words is "four hundred eighty-five million, one hundred thirty-one thousand, eight hundred forty-five".