1450256449 has 4 divisors (see below), whose sum is σ = 1452412036. Its totient is φ = 1448100864.

The previous prime is 1450256443. The next prime is 1450256459. The reversal of 1450256449 is 9446520541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 539725824 + 910530625 = 23232^2 + 30175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1450256449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450256443) 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, 1076784 + ... + 1078129.

It is an arithmetic number, because the mean of its divisors is an integer number (363103009).

Almost surely, 2^1450256449 is an apocalyptic number.

It is an amenable number.

1450256449 is a deficient number, since it is larger than the sum of its proper divisors (2155587).

1450256449 is an equidigital number, since it uses as much as digits as its factorization.

1450256449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155586.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 1450256449 is about 38082.2327207846. The cubic root of 1450256449 is about 1131.9179189508.

The spelling of 1450256449 in words is "one billion, four hundred fifty million, two hundred fifty-six thousand, four hundred forty-nine".