144287886 has 16 divisors (see below), whose sum is σ = 289238400. Its totient is φ = 47985528.

The previous prime is 144287861. The next prime is 144287887. The reversal of 144287886 is 688782441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144287887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24756 + ... + 30023.

It is an arithmetic number, because the mean of its divisors is an integer number (18077400).

Almost surely, 2^144287886 is an apocalyptic number.

144287886 is an abundant number, since it is smaller than the sum of its proper divisors (144950514).

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

144287886 is a wasteful number, since it uses less digits than its factorization.

144287886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55223.

The product of its digits is 688128, while the sum is 48.

The square root of 144287886 is about 12011.9892607345. The cubic root of 144287886 is about 524.4973401985.

The spelling of 144287886 in words is "one hundred forty-four million, two hundred eighty-seven thousand, eight hundred eighty-six".