144504243 has 40 divisors (see below), whose sum is σ = 234788400. Its totient is φ = 88039872.

The previous prime is 144504229. The next prime is 144504247. The reversal of 144504243 is 342405441.

It is a happy number.

It is not a de Polignac number, because 144504243 - 2⁵ = 144504211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144504247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 114148 + ... + 115406.

It is an arithmetic number, because the mean of its divisors is an integer number (5869710).

Almost surely, 2^144504243 is an apocalyptic number.

144504243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144504243 is a deficient number, since it is larger than the sum of its proper divisors (90284157).

144504243 is a wasteful number, since it uses less digits than its factorization.

144504243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 144504243 is about 12020.9917644095. The cubic root of 144504243 is about 524.7593672743.

Adding to 144504243 its reverse (342405441), we get a palindrome (486909684).

The spelling of 144504243 in words is "one hundred forty-four million, five hundred four thousand, two hundred forty-three".