481211145 has 64 divisors (see below), whose sum is σ = 881280000. Its totient is φ = 249009408.

The previous prime is 481211131. The next prime is 481211147. The reversal of 481211145 is 541112184.

It is a happy number.

It is not a de Polignac number, because 481211145 - 2⁵ = 481211113 is a prime.

It is a super-2 number, since 2×481211145² = 463128332144422050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 63 ways as a sum of consecutive naturals, for example, 945151 + ... + 945659.

It is an arithmetic number, because the mean of its divisors is an integer number (13770000).

Almost surely, 2^481211145 is an apocalyptic number.

481211145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

481211145 is a deficient number, since it is larger than the sum of its proper divisors (400068855).

481211145 is a wasteful number, since it uses less digits than its factorization.

481211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 713 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 481211145 is about 21936.5253629648. The cubic root of 481211145 is about 783.6315129596.

The spelling of 481211145 in words is "four hundred eighty-one million, two hundred eleven thousand, one hundred forty-five".