144423503 has 8 divisors (see below), whose sum is σ = 173742720. Its totient is φ = 117276120.

The previous prime is 144423493. The next prime is 144423523. The reversal of 144423503 is 305324441.

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 144423503 - 2¹⁸ = 144161359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144423523) 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, 542813 + ... + 543078.

It is an arithmetic number, because the mean of its divisors is an integer number (21717840).

Almost surely, 2^144423503 is an apocalyptic number.

144423503 is a deficient number, since it is larger than the sum of its proper divisors (29319217).

144423503 is a wasteful number, since it uses less digits than its factorization.

144423503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085917.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 144423503 is about 12017.6330032166. The cubic root of 144423503 is about 524.6616147471.

Adding to 144423503 its reverse (305324441), we get a palindrome (449747944).

The spelling of 144423503 in words is "one hundred forty-four million, four hundred twenty-three thousand, five hundred three".