144431303 has 16 divisors (see below), whose sum is σ = 156121056. Its totient is φ = 133125120.

The previous prime is 144431279. The next prime is 144431317. The reversal of 144431303 is 303134441.

It is a cyclic number.

It is not a de Polignac number, because 144431303 - 2¹⁸ = 144169159 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 (144431323) 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, 224300 + ... + 224942.

It is an arithmetic number, because the mean of its divisors is an integer number (9757566).

Almost surely, 2^144431303 is an apocalyptic number.

144431303 is a deficient number, since it is larger than the sum of its proper divisors (11689753).

144431303 is a wasteful number, since it uses less digits than its factorization.

144431303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 144431303 is about 12017.9575219752. The cubic root of 144431303 is about 524.6710598555.

Adding to 144431303 its reverse (303134441), we get a palindrome (447565744).

The spelling of 144431303 in words is "one hundred forty-four million, four hundred thirty-one thousand, three hundred three".