144443345 has 8 divisors (see below), whose sum is σ = 179309160. Its totient is φ = 111569920.

The previous prime is 144443333. The next prime is 144443359. The reversal of 144443345 is 543344441.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 142372624 = 1439^2 + 11932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144443345 - 2⁴ = 144443329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497936 + ... + 498225.

It is an arithmetic number, because the mean of its divisors is an integer number (22413645).

Almost surely, 2^144443345 is an apocalyptic number.

It is an amenable number.

144443345 is a deficient number, since it is larger than the sum of its proper divisors (34865815).

144443345 is an equidigital number, since it uses as much as digits as its factorization.

144443345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996195.

The product of its digits is 46080, while the sum is 32.

The square root of 144443345 is about 12018.4585118059. The cubic root of 144443345 is about 524.6856409821.

Adding to 144443345 its reverse (543344441), we get a palindrome (687787786).

The spelling of 144443345 in words is "one hundred forty-four million, four hundred forty-three thousand, three hundred forty-five".