481445481 has 16 divisors (see below), whose sum is σ = 713499840. Its totient is φ = 286278720.

The previous prime is 481445467. The next prime is 481445507. The reversal of 481445481 is 184544184.

It is a happy number.

It is not a de Polignac number, because 481445481 - 2⁶ = 481445417 is a prime.

It is a super-2 number, since 2×481445481² = 463579502350642722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481445431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135886 + ... + 139383.

It is an arithmetic number, because the mean of its divisors is an integer number (44593740).

Almost surely, 2^481445481 is an apocalyptic number.

It is an amenable number.

481445481 is a deficient number, since it is larger than the sum of its proper divisors (232054359).

481445481 is a wasteful number, since it uses less digits than its factorization.

481445481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275336.

The product of its digits is 81920, while the sum is 39.

The square root of 481445481 is about 21941.8659416195. The cubic root of 481445481 is about 783.7586943270.

The spelling of 481445481 in words is "four hundred eighty-one million, four hundred forty-five thousand, four hundred eighty-one".