144111240 has 384 divisors, whose sum is σ = 594397440. Its totient is φ = 29472768.

The previous prime is 144111239. The next prime is 144111277. The reversal of 144111240 is 42111441.

144111240 is a `hidden beast` number, since 14 + 411 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1736239 + ... + 1736321.

It is an arithmetic number, because the mean of its divisors is an integer number (1547910).

Almost surely, 2^144111240 is an apocalyptic number.

144111240 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 144111240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297198720).

144111240 is an abundant number, since it is smaller than the sum of its proper divisors (450286200).

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

144111240 is a wasteful number, since it uses less digits than its factorization.

144111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 144111240 is about 12004.6341052112. The cubic root of 144111240 is about 524.2832122842.

Adding to 144111240 its reverse (42111441), we get a palindrome (186222681).

It can be divided in two parts, 14411 and 1240, that added together give a palindrome (15651).

The spelling of 144111240 in words is "one hundred forty-four million, one hundred eleven thousand, two hundred forty".