144445345 has 16 divisors (see below), whose sum is σ = 200216448. Its totient is φ = 98871040.

The previous prime is 144445339. The next prime is 144445349. The reversal of 144445345 is 543544441.

It is a de Polignac number, because none of the positive numbers 2^k-144445345 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144445345.

It is not an unprimeable number, because it can be changed into a prime (144445349) 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, 76309 + ... + 78178.

It is an arithmetic number, because the mean of its divisors is an integer number (12513528).

Almost surely, 2^144445345 is an apocalyptic number.

It is an amenable number.

144445345 is a deficient number, since it is larger than the sum of its proper divisors (55771103).

144445345 is a wasteful number, since it uses less digits than its factorization.

144445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154520.

The product of its digits is 76800, while the sum is 34.

The square root of 144445345 is about 12018.5417168640. The cubic root of 144445345 is about 524.6880626154.

Adding to 144445345 its reverse (543544441), we get a palindrome (687989786).

The spelling of 144445345 in words is "one hundred forty-four million, four hundred forty-five thousand, three hundred forty-five".