144001622132501 has 72 divisors (see below), whose sum is σ = 181809639724032. Its totient is φ = 113666583744000.

The previous prime is 144001622132453. The next prime is 144001622132521. The reversal of 144001622132501 is 105231226100441.

It is not a de Polignac number, because 144001622132501 - 2³⁴ = 143984442263317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144001622132521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 164553416 + ... + 165426206.

It is an arithmetic number, because the mean of its divisors is an integer number (2525133885056).

Almost surely, 2^{144001622132501} is an apocalyptic number.

It is an amenable number.

144001622132501 is a deficient number, since it is larger than the sum of its proper divisors (37808017591531).

144001622132501 is a wasteful number, since it uses less digits than its factorization.

144001622132501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873091 (or 873067 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 144001622132501 its reverse (105231226100441), we get a palindrome (249232848232942).

The spelling of 144001622132501 in words is "one hundred forty-four trillion, one billion, six hundred twenty-two million, one hundred thirty-two thousand, five hundred one".