144231330 has 32 divisors (see below), whose sum is σ = 346739904. Its totient is φ = 38396736.

The previous prime is 144231323. The next prime is 144231359. The reversal of 144231330 is 33132441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144231297 and 144231306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15552 + ... + 23028.

It is an arithmetic number, because the mean of its divisors is an integer number (10835622).

Almost surely, 2^144231330 is an apocalyptic number.

144231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144231330 is an abundant number, since it is smaller than the sum of its proper divisors (202508574).

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

144231330 is a wasteful number, since it uses less digits than its factorization.

144231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 144231330 is about 12009.6348820437. The cubic root of 144231330 is about 524.4288028022.

Adding to 144231330 its reverse (33132441), we get a palindrome (177363771).

It can be divided in two parts, 14423 and 1330, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 144231330 in words is "one hundred forty-four million, two hundred thirty-one thousand, three hundred thirty".