12145000449 has 8 divisors (see below), whose sum is σ = 16241386720. Its totient is φ = 8072640576.

The previous prime is 12145000433. The next prime is 12145000463. The reversal of 12145000449 is 94400054121.

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

It is not a de Polignac number, because 12145000449 - 2⁴ = 12145000433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12145000489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6005419 + ... + 6007440.

It is an arithmetic number, because the mean of its divisors is an integer number (2030173340).

It is a Proth number, since it is equal to 92659 ⋅ 2¹⁷ + 1 and 92659 < 2¹⁷.

Almost surely, 2^12145000449 is an apocalyptic number.

It is an amenable number.

12145000449 is a deficient number, since it is larger than the sum of its proper divisors (4096386271).

12145000449 is a wasteful number, since it uses less digits than its factorization.

12145000449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013199.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 12145000449 in words is "twelve billion, one hundred forty-five million, four hundred forty-nine", and thus it is an aban number.