144203867745 has 16 divisors (see below), whose sum is σ = 263687072640. Its totient is φ = 65921768064.

The previous prime is 144203867741. The next prime is 144203867771. The reversal of 144203867745 is 547768302441.

It is not a de Polignac number, because 144203867745 - 2² = 144203867741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144203867741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686684980 + ... + 686685189.

It is an arithmetic number, because the mean of its divisors is an integer number (16480442040).

Almost surely, 2^144203867745 is an apocalyptic number.

144203867745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144203867745 is a deficient number, since it is larger than the sum of its proper divisors (119483204895).

144203867745 is a wasteful number, since it uses less digits than its factorization.

144203867745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373370184.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 144203867745 in words is "one hundred forty-four billion, two hundred three million, eight hundred sixty-seven thousand, seven hundred forty-five".