144029351521 has 4 divisors (see below), whose sum is σ = 157122928944. Its totient is φ = 130935774100.

The previous prime is 144029351509. The next prime is 144029351551. The reversal of 144029351521 is 125153920441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144029351521 - 2²³ = 144020962913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144029351551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6546788695 + ... + 6546788716.

It is an arithmetic number, because the mean of its divisors is an integer number (39280732236).

Almost surely, 2^144029351521 is an apocalyptic number.

144029351521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144029351521 is a deficient number, since it is larger than the sum of its proper divisors (13093577423).

144029351521 is a wasteful number, since it uses less digits than its factorization.

144029351521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13093577422.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 144029351521 in words is "one hundred forty-four billion, twenty-nine million, three hundred fifty-one thousand, five hundred twenty-one".