144949203 has 36 divisors (see below), whose sum is σ = 250556040. Its totient is φ = 82577880.

The previous prime is 144949199. The next prime is 144949247. The reversal of 144949203 is 302949441.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

144949203 is a `hidden beast` number, since 1 + 449 + 4 + 9 + 203 = 666.

It is not a de Polignac number, because 144949203 - 2² = 144949199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144949403) 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 in 35 ways as a sum of consecutive naturals, for example, 437748 + ... + 438078.

It is an arithmetic number, because the mean of its divisors is an integer number (6959890).

Almost surely, 2^144949203 is an apocalyptic number.

144949203 is a deficient number, since it is larger than the sum of its proper divisors (105606837).

144949203 is an frugal number, since it uses more digits than its factorization.

144949203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 144949203 is about 12039.4851634113. The cubic root of 144949203 is about 525.2974314625.

The spelling of 144949203 in words is "one hundred forty-four million, nine hundred forty-nine thousand, two hundred three".