144442245 has 8 divisors (see below), whose sum is σ = 231107616. Its totient is φ = 77035856.

The previous prime is 144442223. The next prime is 144442247. The reversal of 144442245 is 542244441.

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

It is a cyclic number.

It is not a de Polignac number, because 144442245 - 2⁵ = 144442213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814727 + ... + 4814756.

It is an arithmetic number, because the mean of its divisors is an integer number (28888452).

Almost surely, 2^144442245 is an apocalyptic number.

144442245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144442245 is a deficient number, since it is larger than the sum of its proper divisors (86665371).

144442245 is an equidigital number, since it uses as much as digits as its factorization.

144442245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9629491.

The product of its digits is 20480, while the sum is 30.

The square root of 144442245 is about 12018.4127487784. The cubic root of 144442245 is about 524.6843090742.

Adding to 144442245 its reverse (542244441), we get a palindrome (686686686).

The spelling of 144442245 in words is "one hundred forty-four million, four hundred forty-two thousand, two hundred forty-five".