144203275 has 12 divisors (see below), whose sum is σ = 178994992. Its totient is φ = 115244640.

The previous prime is 144203249. The next prime is 144203291. The reversal of 144203275 is 572302441.

It is not a de Polignac number, because 144203275 - 2¹⁹ = 143678987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28594 + ... + 33256.

Almost surely, 2^144203275 is an apocalyptic number.

144203275 is a deficient number, since it is larger than the sum of its proper divisors (34791717).

144203275 is a wasteful number, since it uses less digits than its factorization.

144203275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910 (or 5905 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 144203275 is about 12008.4668047174. The cubic root of 144203275 is about 524.3947976982.

The spelling of 144203275 in words is "one hundred forty-four million, two hundred three thousand, two hundred seventy-five".