1446473457 has 80 divisors (see below), whose sum is σ = 2593527552. Its totient is φ = 791700480.

The previous prime is 1446473389. The next prime is 1446473459. The reversal of 1446473457 is 7543746441.

It is not a de Polignac number, because 1446473457 - 2⁸ = 1446473201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1446473459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 543073 + ... + 545729.

Almost surely, 2^1446473457 is an apocalyptic number.

It is an amenable number.

1446473457 is a deficient number, since it is larger than the sum of its proper divisors (1147054095).

1446473457 is a wasteful number, since it uses less digits than its factorization.

1446473457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2731 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 1446473457 is about 38032.5315618090. The cubic root of 1446473457 is about 1130.9328598212.

The spelling of 1446473457 in words is "one billion, four hundred forty-six million, four hundred seventy-three thousand, four hundred fifty-seven".