144103894472 has 8 divisors (see below), whose sum is σ = 270194802150. Its totient is φ = 72051947232.

The previous prime is 144103894471. The next prime is 144103894567. The reversal of 144103894472 is 274498301441.

It can be written as a sum of positive squares in only one way, i.e., 141470767876 + 2633126596 = 376126^2 + 51314^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144103894471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9006493397 + ... + 9006493412.

Almost surely, 2^144103894472 is an apocalyptic number.

It is an amenable number.

144103894472 is a deficient number, since it is larger than the sum of its proper divisors (126090907678).

144103894472 is a wasteful number, since it uses less digits than its factorization.

144103894472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18012986815 (or 18012986811 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 144103894472 in words is "one hundred forty-four billion, one hundred three million, eight hundred ninety-four thousand, four hundred seventy-two".