144242430 has 96 divisors (see below), whose sum is σ = 370288800. Its totient is φ = 35946240.

The previous prime is 144242429. The next prime is 144242431. The reversal of 144242430 is 34242441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144242429) and next prime (144242431).

It is a super-2 number, since 2×144242430² = 41611757224609800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144242430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144242431) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 967996 + ... + 968144.

It is an arithmetic number, because the mean of its divisors is an integer number (3857175).

Almost surely, 2^144242430 is an apocalyptic number.

144242430 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 144242430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185144400).

144242430 is an abundant number, since it is smaller than the sum of its proper divisors (226046370).

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

144242430 is a wasteful number, since it uses less digits than its factorization.

144242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144242430 is about 12010.0970021062. The cubic root of 144242430 is about 524.4422557516.

Adding to 144242430 its reverse (34242441), we get a palindrome (178484871).

The spelling of 144242430 in words is "one hundred forty-four million, two hundred forty-two thousand, four hundred thirty".