144235403 has 16 divisors (see below), whose sum is σ = 164146080. Its totient is φ = 125639424.

The previous prime is 144235363. The next prime is 144235423. The reversal of 144235403 is 304532441.

144235403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144235403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144235423) 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, 71375 + ... + 73367.

It is an arithmetic number, because the mean of its divisors is an integer number (10259130).

Almost surely, 2^144235403 is an apocalyptic number.

144235403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144235403 is a deficient number, since it is larger than the sum of its proper divisors (19910677).

144235403 is a wasteful number, since it uses less digits than its factorization.

144235403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

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

The square root of 144235403 is about 12009.8044530292. The cubic root of 144235403 is about 524.4337392664.

Adding to 144235403 its reverse (304532441), we get a palindrome (448767844).

The spelling of 144235403 in words is "one hundred forty-four million, two hundred thirty-five thousand, four hundred three".