144814403 has 4 divisors (see below), whose sum is σ = 146975880. Its totient is φ = 142652928.

The previous prime is 144814399. The next prime is 144814451. The reversal of 144814403 is 304418441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304418441 = 1429 ⋅213029.

It is a cyclic number.

It is not a de Polignac number, because 144814403 - 2² = 144814399 is a prime.

It is a super-2 number, since 2×144814403² = 41942422632492818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144814493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080638 + ... + 1080771.

It is an arithmetic number, because the mean of its divisors is an integer number (36743970).

Almost surely, 2^144814403 is an apocalyptic number.

144814403 is a deficient number, since it is larger than the sum of its proper divisors (2161477).

144814403 is an equidigital number, since it uses as much as digits as its factorization.

144814403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161476.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 144814403 is about 12033.8856152117. The cubic root of 144814403 is about 525.1345420863.

It can be divided in two parts, 1448 and 14403, that added together give a palindrome (15851).

The spelling of 144814403 in words is "one hundred forty-four million, eight hundred fourteen thousand, four hundred three".