1481331465 has 24 divisors (see below), whose sum is σ = 2718680328. Its totient is φ = 743569920.

The previous prime is 1481331463. The next prime is 1481331529. The reversal of 1481331465 is 5641331841.

1481331465 is a `hidden beast` number, since 1 + 481 + 33 + 146 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 301821129 + 1179510336 = 17373^2 + 34344^2 .

It is not a de Polignac number, because 1481331465 - 2¹ = 1481331463 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1481331463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 967426 + ... + 968955.

It is an arithmetic number, because the mean of its divisors is an integer number (113278347).

Almost surely, 2^1481331465 is an apocalyptic number.

1481331465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481331465 is a deficient number, since it is larger than the sum of its proper divisors (1237348863).

1481331465 is a wasteful number, since it uses less digits than its factorization.

1481331465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936409 (or 1936406 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1481331465 is about 38488.0691253796. The cubic root of 1481331465 is about 1139.9454844660.

The spelling of 1481331465 in words is "one billion, four hundred eighty-one million, three hundred thirty-one thousand, four hundred sixty-five".