144285715872 has 72 divisors (see below), whose sum is σ = 417267002880. Its totient is φ = 47280059520.

The previous prime is 144285715859. The next prime is 144285715909. The reversal of 144285715872 is 278517582441.

144285715872 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 8 + 57 + 1 + 587 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4228704 + ... + 4262687.

It is an arithmetic number, because the mean of its divisors is an integer number (5795375040).

Almost surely, 2^144285715872 is an apocalyptic number.

144285715872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144285715872 is an abundant number, since it is smaller than the sum of its proper divisors (272981287008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144285715872 is a wasteful number, since it uses less digits than its factorization.

144285715872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491466 (or 8491455 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 54.

The spelling of 144285715872 in words is "one hundred forty-four billion, two hundred eighty-five million, seven hundred fifteen thousand, eight hundred seventy-two".