1456344539 has 16 divisors (see below), whose sum is σ = 1595596800. Its totient is φ = 1321141536.

The previous prime is 1456344503. The next prime is 1456344581. The reversal of 1456344539 is 9354436541.

It is not a de Polignac number, because 1456344539 - 2¹⁶ = 1456279003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1456344539.

It is not an unprimeable number, because it can be changed into a prime (1456344139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225842 + ... + 232200.

It is an arithmetic number, because the mean of its divisors is an integer number (99724800).

Almost surely, 2^1456344539 is an apocalyptic number.

1456344539 is a deficient number, since it is larger than the sum of its proper divisors (139252261).

1456344539 is a wasteful number, since it uses less digits than its factorization.

1456344539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674.

The product of its digits is 777600, while the sum is 44.

The square root of 1456344539 is about 38162.0824772443. The cubic root of 1456344539 is about 1133.4996156730.

The spelling of 1456344539 in words is "one billion, four hundred fifty-six million, three hundred forty-four thousand, five hundred thirty-nine".