144244001403 has 24 divisors (see below), whose sum is σ = 220646580336. Its totient is φ = 90490406400.

The previous prime is 144244001399. The next prime is 144244001477. The reversal of 144244001403 is 304100442441.

144244001403 is a `hidden beast` number, since 14 + 4 + 244 + 0 + 0 + 1 + 403 = 666.

It is not a de Polignac number, because 144244001403 - 2² = 144244001399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144244001303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841263 + ... + 998103.

It is an arithmetic number, because the mean of its divisors is an integer number (9193607514).

Almost surely, 2^144244001403 is an apocalyptic number.

144244001403 is a deficient number, since it is larger than the sum of its proper divisors (76402578933).

144244001403 is a wasteful number, since it uses less digits than its factorization.

144244001403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162875 (or 162872 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 144244001403 its reverse (304100442441), we get a palindrome (448344443844).

The spelling of 144244001403 in words is "one hundred forty-four billion, two hundred forty-four million, one thousand, four hundred three".