144393232 has 10 divisors (see below), whose sum is σ = 279761918. Its totient is φ = 72196608.

The previous prime is 144393229. The next prime is 144393247. The reversal of 144393232 is 232393441.

It can be written as a sum of positive squares in only one way, i.e., 134931456 + 9461776 = 11616^2 + 3076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144393194 and 144393203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4512273 + ... + 4512304.

Almost surely, 2^144393232 is an apocalyptic number.

It is an amenable number.

144393232 is a deficient number, since it is larger than the sum of its proper divisors (135368686).

144393232 is an equidigital number, since it uses as much as digits as its factorization.

144393232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024585 (or 9024579 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 144393232 is about 12016.3734961926. The cubic root of 144393232 is about 524.6249560289.

It can be divided in two parts, 14439 and 3232, that added together give a palindrome (17671).

The spelling of 144393232 in words is "one hundred forty-four million, three hundred ninety-three thousand, two hundred thirty-two".