144301428 has 36 divisors (see below), whose sum is σ = 383961760. Its totient is φ = 45568656.

The previous prime is 144301411. The next prime is 144301429. The reversal of 144301428 is 824103441.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144301429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104800 + ... + 106167.

Almost surely, 2^144301428 is an apocalyptic number.

144301428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144301428 is an abundant number, since it is smaller than the sum of its proper divisors (239660332).

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

144301428 is a wasteful number, since it uses less digits than its factorization.

144301428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210996 (or 210991 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 144301428 is about 12012.5529343267. The cubic root of 144301428 is about 524.5137484154.

Adding to 144301428 its reverse (824103441), we get a palindrome (968404869).

The spelling of 144301428 in words is "one hundred forty-four million, three hundred one thousand, four hundred twenty-eight".