1481144461 has 2 divisors, whose sum is σ = 1481144462. Its totient is φ = 1481144460.

The previous prime is 1481144459. The next prime is 1481144471. The reversal of 1481144461 is 1644411841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1429218025 + 51926436 = 37805^2 + 7206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481144461 - 2¹ = 1481144459 is a prime.

Together with 1481144459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481144471) 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 as a sum of consecutive naturals, namely, 740572230 + 740572231.

It is an arithmetic number, because the mean of its divisors is an integer number (740572231).

Almost surely, 2^1481144461 is an apocalyptic number.

It is an amenable number.

1481144461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481144461 is an equidigital number, since it uses as much as digits as its factorization.

1481144461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 34.

The square root of 1481144461 is about 38485.6396724804. The cubic root of 1481144461 is about 1139.8975133577.

The spelling of 1481144461 in words is "one billion, four hundred eighty-one million, one hundred forty-four thousand, four hundred sixty-one".