287645045144 has 64 divisors (see below), whose sum is σ = 570167009280. Its totient is φ = 135863280000.

The previous prime is 287645045131. The next prime is 287645045147. The reversal of 287645045144 is 441540546782.

It is a junction number, because it is equal to n+sod(n) for n = 287645045092 and 287645045101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287645045147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697537 + ... + 1859279.

It is an arithmetic number, because the mean of its divisors is an integer number (8908859520).

Almost surely, 2^287645045144 is an apocalyptic number.

It is an amenable number.

287645045144 is a deficient number, since it is larger than the sum of its proper divisors (282521964136).

287645045144 is a wasteful number, since it uses less digits than its factorization.

287645045144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161952 (or 161948 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 287645045144 in words is "two hundred eighty-seven billion, six hundred forty-five million, forty-five thousand, one hundred forty-four".