144435330 has 48 divisors (see below), whose sum is σ = 404422200. Its totient is φ = 35553024.

The previous prime is 144435329. The next prime is 144435337. The reversal of 144435330 is 33534441.

It can be written as a sum of positive squares in 4 ways, for example, as 98426241 + 46009089 = 9921^2 + 6783^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144435294 and 144435303.

It is not an unprimeable number, because it can be changed into a prime (144435337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60555 + ... + 62894.

Almost surely, 2^144435330 is an apocalyptic number.

144435330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144435330 is an abundant number, since it is smaller than the sum of its proper divisors (259986870).

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

144435330 is a wasteful number, since it uses less digits than its factorization.

144435330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123475 (or 123472 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 144435330 is about 12018.1250617557. The cubic root of 144435330 is about 524.6759360624.

Adding to 144435330 its reverse (33534441), we get a palindrome (177969771).

It can be divided in two parts, 14 and 4435330, that added together give a palindrome (4435344).

The spelling of 144435330 in words is "one hundred forty-four million, four hundred thirty-five thousand, three hundred thirty".