144861903 has 12 divisors (see below), whose sum is σ = 209379768. Its totient is φ = 96512400.

The previous prime is 144861881. The next prime is 144861907. The reversal of 144861903 is 309168441.

144861903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144861903 - 2¹⁰ = 144860879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144861907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12876 + ... + 21342.

It is an arithmetic number, because the mean of its divisors is an integer number (17448314).

Almost surely, 2^144861903 is an apocalyptic number.

144861903 is a deficient number, since it is larger than the sum of its proper divisors (64517865).

144861903 is a wasteful number, since it uses less digits than its factorization.

144861903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10374 (or 10371 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 144861903 is about 12035.8590470311. The cubic root of 144861903 is about 525.1919515784.

The spelling of 144861903 in words is "one hundred forty-four million, eight hundred sixty-one thousand, nine hundred three".