15443445149144 has 8 divisors (see below), whose sum is σ = 28956459654660. Its totient is φ = 7721722574568.

The previous prime is 15443445149117. The next prime is 15443445149161. The reversal of 15443445149144 is 44194154434451.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965215321814 + ... + 965215321829.

Almost surely, 2^{15443445149144} is an apocalyptic number.

It is an amenable number.

15443445149144 is a deficient number, since it is larger than the sum of its proper divisors (13513014505516).

15443445149144 is a wasteful number, since it uses less digits than its factorization.

15443445149144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930430643649 (or 1930430643645 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 53.

The spelling of 15443445149144 in words is "fifteen trillion, four hundred forty-three billion, four hundred forty-five million, one hundred forty-nine thousand, one hundred forty-four".