481211144 has 8 divisors (see below), whose sum is σ = 902270910. Its totient is φ = 240605568.

The previous prime is 481211131. The next prime is 481211147. The reversal of 481211144 is 441112184.

It can be written as a sum of positive squares in only one way, i.e., 348270244 + 132940900 = 18662^2 + 11530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (481211147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30075689 + ... + 30075704.

Almost surely, 2^481211144 is an apocalyptic number.

It is an amenable number.

481211144 is a deficient number, since it is larger than the sum of its proper divisors (421059766).

481211144 is a wasteful number, since it uses less digits than its factorization.

481211144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60151399 (or 60151395 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 481211144 is about 21936.5253401718. The cubic root of 481211144 is about 783.6315124168.

The spelling of 481211144 in words is "four hundred eighty-one million, two hundred eleven thousand, one hundred forty-four".