5145242344453 has 4 divisors (see below), whose sum is σ = 5145275308428. Its totient is φ = 5145209380480.

The previous prime is 5145242344433. The next prime is 5145242344471. The reversal of 5145242344453 is 3544432425415.

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 510078783204 + 4635163561249 = 714198^2 + 2152943^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145242344453 - 2¹³ = 5145242336261 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 (5145242344423) 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, 16246738 + ... + 16560403.

It is an arithmetic number, because the mean of its divisors is an integer number (1286318827107).

Almost surely, 2^{5145242344453} is an apocalyptic number.

It is an amenable number.

5145242344453 is a deficient number, since it is larger than the sum of its proper divisors (32963975).

5145242344453 is a wasteful number, since it uses less digits than its factorization.

5145242344453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32963974.

The product of its digits is 4608000, while the sum is 46.

Adding to 5145242344453 its reverse (3544432425415), we get a palindrome (8689674769868).

The spelling of 5145242344453 in words is "five trillion, one hundred forty-five billion, two hundred forty-two million, three hundred forty-four thousand, four hundred fifty-three".