144081140 has 24 divisors (see below), whose sum is σ = 345795072. Its totient is φ = 49399200.

The previous prime is 144081107. The next prime is 144081143. The reversal of 144081140 is 41180441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144081143) 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 7 ways as a sum of consecutive naturals, for example, 514436 + ... + 514715.

It is an arithmetic number, because the mean of its divisors is an integer number (14408128).

Almost surely, 2^144081140 is an apocalyptic number.

144081140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144081140 is an abundant number, since it is smaller than the sum of its proper divisors (201713932).

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

144081140 is a wasteful number, since it uses less digits than its factorization.

144081140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029167 (or 1029165 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 144081140 is about 12003.3803572160. The cubic root of 144081140 is about 524.2467080219.

The spelling of 144081140 in words is "one hundred forty-four million, eighty-one thousand, one hundred forty".