144465403 has 2 divisors, whose sum is σ = 144465404. Its totient is φ = 144465402.

The previous prime is 144465397. The next prime is 144465413. The reversal of 144465403 is 304564441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144465403 - 2¹⁷ = 144334331 is a prime.

It is not a weakly prime, because it can be changed into another prime (144465413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72232701 + 72232702.

It is an arithmetic number, because the mean of its divisors is an integer number (72232702).

Almost surely, 2^144465403 is an apocalyptic number.

144465403 is a deficient number, since it is larger than the sum of its proper divisors (1).

144465403 is an equidigital number, since it uses as much as digits as its factorization.

144465403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 144465403 is about 12019.3761485362. The cubic root of 144465403 is about 524.7123479395.

The spelling of 144465403 in words is "one hundred forty-four million, four hundred sixty-five thousand, four hundred three".