1454224534643 has 4 divisors (see below), whose sum is σ = 1455760147560. Its totient is φ = 1452688921728.

The previous prime is 1454224534591. The next prime is 1454224534669. The reversal of 1454224534643 is 3464354224541.

It is a happy number.

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-1454224534643 is a prime.

It is a super-2 number, since 2×1454224534643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454224534043) 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, 767805038 + ... + 767806931.

It is an arithmetic number, because the mean of its divisors is an integer number (363940036890).

Almost surely, 2^{1454224534643} is an apocalyptic number.

1454224534643 is a deficient number, since it is larger than the sum of its proper divisors (1535612917).

1454224534643 is an equidigital number, since it uses as much as digits as its factorization.

1454224534643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535612916.

The product of its digits is 5529600, while the sum is 47.

The spelling of 1454224534643 in words is "one trillion, four hundred fifty-four billion, two hundred twenty-four million, five hundred thirty-four thousand, six hundred forty-three".