485223138 has 12 divisors (see below), whose sum is σ = 1051316838. Its totient is φ = 161741040.

The previous prime is 485223113. The next prime is 485223173. The reversal of 485223138 is 831322584.

It can be written as a sum of positive squares in only one way, i.e., 342731169 + 142491969 = 18513^2 + 11937^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13478403 + ... + 13478438.

Almost surely, 2^485223138 is an apocalyptic number.

485223138 is an abundant number, since it is smaller than the sum of its proper divisors (566093700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485223138 is a wasteful number, since it uses less digits than its factorization.

485223138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26956849 (or 26956846 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 485223138 is about 22027.7810503010. The cubic root of 485223138 is about 785.8032741933.

The spelling of 485223138 in words is "four hundred eighty-five million, two hundred twenty-three thousand, one hundred thirty-eight".