144240030 has 96 divisors (see below), whose sum is σ = 416988000. Its totient is φ = 34295040.

The previous prime is 144240029. The next prime is 144240049. The reversal of 144240030 is 30042441.

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

It is a junction number, because it is equal to n+sod(n) for n = 144239985 and 144240012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51096 + ... + 53844.

It is an arithmetic number, because the mean of its divisors is an integer number (4343625).

Almost surely, 2^144240030 is an apocalyptic number.

144240030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144240030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208494000).

144240030 is an abundant number, since it is smaller than the sum of its proper divisors (272747970).

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

144240030 is a wasteful number, since it uses less digits than its factorization.

144240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144240030 is about 12009.9970857615. The cubic root of 144240030 is about 524.4393470643.

Adding to 144240030 its reverse (30042441), we get a palindrome (174282471).

The spelling of 144240030 in words is "one hundred forty-four million, two hundred forty thousand, thirty".