144102140 has 72 divisors (see below), whose sum is σ = 379132992. Its totient is φ = 45601920.

The previous prime is 144102113. The next prime is 144102163. The reversal of 144102140 is 41201441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7085 + ... + 18395.

It is an arithmetic number, because the mean of its divisors is an integer number (5265736).

Almost surely, 2^144102140 is an apocalyptic number.

144102140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144102140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189566496).

144102140 is an abundant number, since it is smaller than the sum of its proper divisors (235030852).

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

144102140 is a wasteful number, since it uses less digits than its factorization.

144102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11347 (or 11338 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144102140 is about 12004.2550789293. The cubic root of 144102140 is about 524.2721766480.

Adding to 144102140 its reverse (41201441), we get a palindrome (185303581).

The spelling of 144102140 in words is "one hundred forty-four million, one hundred two thousand, one hundred forty".