1481144468 has 12 divisors (see below), whose sum is σ = 2728424160. Its totient is φ = 701594712.

The previous prime is 1481144461. The next prime is 1481144471. The reversal of 1481144468 is 8644411841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481144461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9744296 + ... + 9744447.

It is an arithmetic number, because the mean of its divisors is an integer number (227368680).

Almost surely, 2^1481144468 is an apocalyptic number.

It is an amenable number.

1481144468 is a deficient number, since it is larger than the sum of its proper divisors (1247279692).

1481144468 is a wasteful number, since it uses less digits than its factorization.

1481144468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19488766 (or 19488764 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 1481144468 is about 38485.6397634234. The cubic root of 1481144468 is about 1139.8975151535.

The spelling of 1481144468 in words is "one billion, four hundred eighty-one million, one hundred forty-four thousand, four hundred sixty-eight".