1456441849 has 4 divisors (see below), whose sum is σ = 1456575120. Its totient is φ = 1456308580.

The previous prime is 1456441843. The next prime is 1456441853. The reversal of 1456441849 is 9481446541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1456441849 - 2⁵ = 1456441817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1456441799 and 1456441808.

It is not an unprimeable number, because it can be changed into a prime (1456441843) 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 3 ways as a sum of consecutive naturals, for example, 48619 + ... + 72640.

It is an arithmetic number, because the mean of its divisors is an integer number (364143780).

Almost surely, 2^1456441849 is an apocalyptic number.

It is an amenable number.

1456441849 is a deficient number, since it is larger than the sum of its proper divisors (133271).

1456441849 is a wasteful number, since it uses less digits than its factorization.

1456441849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133270.

The product of its digits is 552960, while the sum is 46.

The square root of 1456441849 is about 38163.3574125757. The cubic root of 1456441849 is about 1133.5248611622.

The spelling of 1456441849 in words is "one billion, four hundred fifty-six million, four hundred forty-one thousand, eight hundred forty-nine".