144000535521 has 8 divisors (see below), whose sum is σ = 192181339840. Its totient is φ = 95910044112.

The previous prime is 144000535519. The next prime is 144000535543. The reversal of 144000535521 is 125535000441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144000535521 - 2¹ = 144000535519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144000525521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22574506 + ... + 22580883.

It is an arithmetic number, because the mean of its divisors is an integer number (24022667480).

Almost surely, 2^144000535521 is an apocalyptic number.

It is an amenable number.

144000535521 is a deficient number, since it is larger than the sum of its proper divisors (48180804319).

144000535521 is a wasteful number, since it uses less digits than its factorization.

144000535521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45156455.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 144000535521 its reverse (125535000441), we get a palindrome (269535535962).

The spelling of 144000535521 in words is "one hundred forty-four billion, five hundred thirty-five thousand, five hundred twenty-one".