1455617414243 has 4 divisors (see below), whose sum is σ = 1541241968040. Its totient is φ = 1369992860448.

The previous prime is 1455617414159. The next prime is 1455617414257. The reversal of 1455617414243 is 3424147165541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455617414243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455617414263) 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, 42812276873 + ... + 42812276906.

It is an arithmetic number, because the mean of its divisors is an integer number (385310492010).

Almost surely, 2^{1455617414243} is an apocalyptic number.

1455617414243 is a deficient number, since it is larger than the sum of its proper divisors (85624553797).

1455617414243 is an equidigital number, since it uses as much as digits as its factorization.

1455617414243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85624553796.

The product of its digits is 1612800, while the sum is 47.

The spelling of 1455617414243 in words is "one trillion, four hundred fifty-five billion, six hundred seventeen million, four hundred fourteen thousand, two hundred forty-three".