144534025621 has 8 divisors (see below), whose sum is σ = 146697659360. Its totient is φ = 142370580528.

The previous prime is 144534025609. The next prime is 144534025637. The reversal of 144534025621 is 126520435441.

144534025621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144534025621 - 2³⁵ = 110174287253 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 (144534025021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594755 + ... + 2649871.

It is an arithmetic number, because the mean of its divisors is an integer number (18337207420).

Almost surely, 2^144534025621 is an apocalyptic number.

It is an amenable number.

144534025621 is a deficient number, since it is larger than the sum of its proper divisors (2163633739).

144534025621 is an equidigital number, since it uses as much as digits as its factorization.

144534025621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94323.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 144534025621 in words is "one hundred forty-four billion, five hundred thirty-four million, twenty-five thousand, six hundred twenty-one".