144444430 has 32 divisors (see below), whose sum is σ = 281232000. Its totient is φ = 53098752.

The previous prime is 144444383. The next prime is 144444431. The reversal of 144444430 is 34444441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144444431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28746 + ... + 33394.

It is an arithmetic number, because the mean of its divisors is an integer number (8788500).

Almost surely, 2^144444430 is an apocalyptic number.

144444430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144444430 is a deficient number, since it is larger than the sum of its proper divisors (136787570).

144444430 is a wasteful number, since it uses less digits than its factorization.

144444430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 144444430 is about 12018.5036506214. The cubic root of 144444430 is about 524.6869547209.

Adding to 144444430 its reverse (34444441), we get a palindrome (178888871).

It can be divided in two parts, 14 and 4444430, that added together give a palindrome (4444444).

The spelling of 144444430 in words is "one hundred forty-four million, four hundred forty-four thousand, four hundred thirty".