1456812242 has 18 divisors (see below), whose sum is σ = 2212516047. Its totient is φ = 719418784.

The previous prime is 1456812209. The next prime is 1456812323. The reversal of 1456812242 is 2422186541.

It can be written as a sum of positive squares in 5 ways, for example, as 1452448321 + 4363921 = 38111^2 + 2089^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=26989.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7394888 + ... + 7395084.

Almost surely, 2^1456812242 is an apocalyptic number.

1456812242 is a deficient number, since it is larger than the sum of its proper divisors (755703805).

1456812242 is an frugal number, since it uses more digits than its factorization.

1456812242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 336 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 1456812242 is about 38168.2098348875. The cubic root of 1456812242 is about 1133.6209432882.

Adding to 1456812242 its reverse (2422186541), we get a palindrome (3878998783).

The spelling of 1456812242 in words is "one billion, four hundred fifty-six million, eight hundred twelve thousand, two hundred forty-two".