1455911447 has 6 divisors (see below), whose sum is σ = 1507847328. Its totient is φ = 1405706792.

The previous prime is 1455911441. The next prime is 1455911449. The reversal of 1455911447 is 7441195541.

It is a de Polignac number, because none of the positive numbers 2^k-1455911447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455911441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864743 + ... + 866424.

It is an arithmetic number, because the mean of its divisors is an integer number (251307888).

Almost surely, 2^1455911447 is an apocalyptic number.

1455911447 is a deficient number, since it is larger than the sum of its proper divisors (51935881).

1455911447 is an equidigital number, since it uses as much as digits as its factorization.

1455911447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731225 (or 1731196 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 1455911447 is about 38156.4076794449. The cubic root of 1455911447 is about 1133.3872433891.

The spelling of 1455911447 in words is "one billion, four hundred fifty-five million, nine hundred eleven thousand, four hundred forty-seven".