144001425634521 has 64 divisors (see below), whose sum is σ = 246707510095872. Its totient is φ = 72618047453952.

The previous prime is 144001425634519. The next prime is 144001425634537. The reversal of 144001425634521 is 125436524100441.

It is not a de Polignac number, because 144001425634521 - 2¹ = 144001425634519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144001425634721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6851971 + ... + 18301703.

It is an arithmetic number, because the mean of its divisors is an integer number (3854804845248).

Almost surely, 2^{144001425634521} is an apocalyptic number.

It is an amenable number.

144001425634521 is a deficient number, since it is larger than the sum of its proper divisors (102706084461351).

144001425634521 is a wasteful number, since it uses less digits than its factorization.

144001425634521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451782.

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 144001425634521 its reverse (125436524100441), we get a palindrome (269437949734962).

The spelling of 144001425634521 in words is "one hundred forty-four trillion, one billion, four hundred twenty-five million, six hundred thirty-four thousand, five hundred twenty-one".