1452213616243 has 4 divisors (see below), whose sum is σ = 1563922355968. Its totient is φ = 1340504876520.

The previous prime is 1452213616211. The next prime is 1452213616253. The reversal of 1452213616243 is 3426163122541.

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

It is a cyclic number.

It is not a de Polignac number, because 1452213616243 - 2⁵ = 1452213616211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1452213616196 and 1452213616205.

It is not an unprimeable number, because it can be changed into a prime (1452213616253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55854369843 + ... + 55854369868.

It is an arithmetic number, because the mean of its divisors is an integer number (390980588992).

Almost surely, 2^{1452213616243} is an apocalyptic number.

1452213616243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1452213616243 is a deficient number, since it is larger than the sum of its proper divisors (111708739725).

1452213616243 is a wasteful number, since it uses less digits than its factorization.

1452213616243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111708739724.

The product of its digits is 207360, while the sum is 40.

Adding to 1452213616243 its reverse (3426163122541), we get a palindrome (4878376738784).

The spelling of 1452213616243 in words is "one trillion, four hundred fifty-two billion, two hundred thirteen million, six hundred sixteen thousand, two hundred forty-three".