144634868 has 48 divisors (see below), whose sum is σ = 297024000. Its totient is φ = 61598880.

The previous prime is 144634849. The next prime is 144634877. The reversal of 144634868 is 868436441.

144634868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371618 + ... + 372006.

It is an arithmetic number, because the mean of its divisors is an integer number (6188000).

Almost surely, 2^144634868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144634868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148512000).

144634868 is an abundant number, since it is smaller than the sum of its proper divisors (152389132).

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

144634868 is a wasteful number, since it uses less digits than its factorization.

144634868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 669 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 144634868 is about 12026.4237410795. The cubic root of 144634868 is about 524.9174388690.

The spelling of 144634868 in words is "one hundred forty-four million, six hundred thirty-four thousand, eight hundred sixty-eight".