12454345143 has 24 divisors (see below), whose sum is σ = 18209672208. Its totient is φ = 8201774592.

The previous prime is 12454345117. The next prime is 12454345193. The reversal of 12454345143 is 34154345421.

12454345143 is a `hidden beast` number, since 1 + 24 + 543 + 4 + 51 + 43 = 666.

It is not a de Polignac number, because 12454345143 - 2⁹ = 12454344631 is a prime.

It is a super-2 number, since 2×12454345143² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12454345098 and 12454345107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454345193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321621 + ... + 358257.

It is an arithmetic number, because the mean of its divisors is an integer number (758736342).

Almost surely, 2^12454345143 is an apocalyptic number.

12454345143 is a deficient number, since it is larger than the sum of its proper divisors (5755327065).

12454345143 is a wasteful number, since it uses less digits than its factorization.

12454345143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37103 (or 37100 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 12454345143 in words is "twelve billion, four hundred fifty-four million, three hundred forty-five thousand, one hundred forty-three".