144285872887 has 32 divisors (see below), whose sum is σ = 159417720000. Its totient is φ = 129787806720.

The previous prime is 144285872881. The next prime is 144285872959. The reversal of 144285872887 is 788278582441.

It is a de Polignac number, because none of the positive numbers 2^k-144285872887 is a prime.

It is a super-2 number, since 2×144285872887² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144285872881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22580289 + ... + 22586677.

It is an arithmetic number, because the mean of its divisors is an integer number (4981803750).

Almost surely, 2^144285872887 is an apocalyptic number.

144285872887 is a deficient number, since it is larger than the sum of its proper divisors (15131847113).

144285872887 is a wasteful number, since it uses less digits than its factorization.

144285872887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771.

The product of its digits is 64225280, while the sum is 64.

The spelling of 144285872887 in words is "one hundred forty-four billion, two hundred eighty-five million, eight hundred seventy-two thousand, eight hundred eighty-seven".