481644156 has 48 divisors (see below), whose sum is σ = 1311722496. Its totient is φ = 134683584.

The previous prime is 481644131. The next prime is 481644157. The reversal of 481644156 is 651446184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481644157) 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, 57051 + ... + 64946.

It is an arithmetic number, because the mean of its divisors is an integer number (27327552).

Almost surely, 2^481644156 is an apocalyptic number.

It is an amenable number.

481644156 is an abundant number, since it is smaller than the sum of its proper divisors (830078340).

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

481644156 is a wasteful number, since it uses less digits than its factorization.

481644156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122058 (or 122056 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 481644156 is about 21946.3927787689. The cubic root of 481644156 is about 783.8664890484.

The spelling of 481644156 in words is "four hundred eighty-one million, six hundred forty-four thousand, one hundred fifty-six".