144303930 has 80 divisors (see below), whose sum is σ = 393956640. Its totient is φ = 37892448.

The previous prime is 144303923. The next prime is 144303937. The reversal of 144303930 is 39303441.

It is an interprime number because it is at equal distance from previous prime (144303923) and next prime (144303937).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 144303894 and 144303903.

It is not an unprimeable number, because it can be changed into a prime (144303937) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52941 + ... + 55599.

It is an arithmetic number, because the mean of its divisors is an integer number (4924458).

Almost surely, 2^144303930 is an apocalyptic number.

144303930 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 144303930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196978320).

144303930 is an abundant number, since it is smaller than the sum of its proper divisors (249652710).

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

144303930 is a wasteful number, since it uses less digits than its factorization.

144303930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 144303930 is about 12012.6570749356. The cubic root of 144303930 is about 524.5167798611.

The spelling of 144303930 in words is "one hundred forty-four million, three hundred three thousand, nine hundred thirty".