1455968481 has 16 divisors (see below), whose sum is σ = 2137206720. Its totient is φ = 874307520.

The previous prime is 1455968467. The next prime is 1455968497. The reversal of 1455968481 is 1848695541.

It is a happy number.

It is not a de Polignac number, because 1455968481 - 2⁹ = 1455967969 is a prime.

It is a super-2 number, since 2×1455968481² = 4239688435330894722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1455968401) 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 15 ways as a sum of consecutive naturals, for example, 198790 + ... + 205983.

It is an arithmetic number, because the mean of its divisors is an integer number (133575420).

Almost surely, 2^1455968481 is an apocalyptic number.

1455968481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1455968481 is a deficient number, since it is larger than the sum of its proper divisors (681238239).

1455968481 is a wasteful number, since it uses less digits than its factorization.

1455968481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404896.

The product of its digits is 1382400, while the sum is 51.

The square root of 1455968481 is about 38157.1550433205. The cubic root of 1455968481 is about 1133.4020429989.

The spelling of 1455968481 in words is "one billion, four hundred fifty-five million, nine hundred sixty-eight thousand, four hundred eighty-one".