144441453 has 16 divisors (see below), whose sum is σ = 208224576. Its totient is φ = 88535040.

The previous prime is 144441443. The next prime is 144441463. The reversal of 144441453 is 354144441.

It is an interprime number because it is at equal distance from previous prime (144441443) and next prime (144441463).

It is not a de Polignac number, because 144441453 - 2⁶ = 144441389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144441453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144441443) 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, 2818 + ... + 17228.

It is an arithmetic number, because the mean of its divisors is an integer number (13014036).

Almost surely, 2^144441453 is an apocalyptic number.

144441453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144441453 is a deficient number, since it is larger than the sum of its proper divisors (63783123).

144441453 is a wasteful number, since it uses less digits than its factorization.

144441453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14684.

The product of its digits is 15360, while the sum is 30.

The square root of 144441453 is about 12018.3797992908. The cubic root of 144441453 is about 524.6833500964.

Adding to 144441453 its reverse (354144441), we get a palindrome (498585894).

The spelling of 144441453 in words is "one hundred forty-four million, four hundred forty-one thousand, four hundred fifty-three".