144887862 has 64 divisors (see below), whose sum is σ = 343977984. Its totient is φ = 39813120.

The previous prime is 144887851. The next prime is 144887867. The reversal of 144887862 is 268788441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144887867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334398 + ... + 334830.

It is an arithmetic number, because the mean of its divisors is an integer number (5374656).

Almost surely, 2^144887862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144887862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171988992).

144887862 is an abundant number, since it is smaller than the sum of its proper divisors (199090122).

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

144887862 is a wasteful number, since it uses less digits than its factorization.

144887862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

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

The square root of 144887862 is about 12036.9374011831. The cubic root of 144887862 is about 525.2233208649.

The spelling of 144887862 in words is "one hundred forty-four million, eight hundred eighty-seven thousand, eight hundred sixty-two".