12454043545 has 8 divisors (see below), whose sum is σ = 15062529024. Its totient is φ = 9884783664.

The previous prime is 12454043513. The next prime is 12454043551. The reversal of 12454043545 is 54534045421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12454043545 - 2⁵ = 12454043513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9805699 + ... + 9806968.

It is an arithmetic number, because the mean of its divisors is an integer number (1882816128).

Almost surely, 2^12454043545 is an apocalyptic number.

It is an amenable number.

12454043545 is a deficient number, since it is larger than the sum of its proper divisors (2608485479).

12454043545 is a wasteful number, since it uses less digits than its factorization.

12454043545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19612799.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 12454043545 its reverse (54534045421), we get a palindrome (66988088966).

The spelling of 12454043545 in words is "twelve billion, four hundred fifty-four million, forty-three thousand, five hundred forty-five".