1456489541 has 4 divisors (see below), whose sum is σ = 1568527212. Its totient is φ = 1344451872.

The previous prime is 1456489537. The next prime is 1456489543. The reversal of 1456489541 is 1459846541.

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 418038916 + 1038450625 = 20446^2 + 32225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456489541 - 2² = 1456489537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456489543) 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, 56018816 + ... + 56018841.

It is an arithmetic number, because the mean of its divisors is an integer number (392131803).

Almost surely, 2^1456489541 is an apocalyptic number.

It is an amenable number.

1456489541 is a deficient number, since it is larger than the sum of its proper divisors (112037671).

1456489541 is a wasteful number, since it uses less digits than its factorization.

1456489541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112037670.

The product of its digits is 691200, while the sum is 47.

The square root of 1456489541 is about 38163.9822476638. The cubic root of 1456489541 is about 1133.5372336616.

The spelling of 1456489541 in words is "one billion, four hundred fifty-six million, four hundred eighty-nine thousand, five hundred forty-one".