1449965457 has 6 divisors (see below), whose sum is σ = 2094394562. Its totient is φ = 966643632.

The previous prime is 1449965423. The next prime is 1449965497. The reversal of 1449965457 is 7545699441.

1449965457 is a `hidden beast` number, since 1 + 4 + 4 + 9 + 96 + 545 + 7 = 666.

1449965457 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 1340218881 + 109746576 = 36609^2 + 10476^2 .

It is not a de Polignac number, because 1449965457 - 2⁷ = 1449965329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449965497) 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, 80553628 + ... + 80553645.

Almost surely, 2^1449965457 is an apocalyptic number.

It is an amenable number.

1449965457 is a deficient number, since it is larger than the sum of its proper divisors (644429105).

1449965457 is a wasteful number, since it uses less digits than its factorization.

1449965457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161107279 (or 161107276 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 1449965457 is about 38078.4119548071. The cubic root of 1449965457 is about 1131.8422079523.

The spelling of 1449965457 in words is "one billion, four hundred forty-nine million, nine hundred sixty-five thousand, four hundred fifty-seven".