144744903 has 6 divisors (see below), whose sum is σ = 209075984. Its totient is φ = 96496596.

The previous prime is 144744893. The next prime is 144744917. The reversal of 144744903 is 309447441.

It is not a de Polignac number, because 144744903 - 2⁵ = 144744871 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 (144744203) 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 5 ways as a sum of consecutive naturals, for example, 8041375 + ... + 8041392.

Almost surely, 2^144744903 is an apocalyptic number.

144744903 is a deficient number, since it is larger than the sum of its proper divisors (64331081).

144744903 is a wasteful number, since it uses less digits than its factorization.

144744903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082773 (or 16082770 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 144744903 is about 12030.9975895601. The cubic root of 144744903 is about 525.0505203084.

The spelling of 144744903 in words is "one hundred forty-four million, seven hundred forty-four thousand, nine hundred three".