144453101421 has 32 divisors (see below), whose sum is σ = 205506367488. Its totient is φ = 90044440640.

The previous prime is 144453101411. The next prime is 144453101423. The reversal of 144453101421 is 124101354441.

It is not a de Polignac number, because 144453101421 - 2⁶ = 144453101357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144453101423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2655031 + ... + 2708891.

It is an arithmetic number, because the mean of its divisors is an integer number (6422073984).

Almost surely, 2^144453101421 is an apocalyptic number.

It is an amenable number.

144453101421 is a deficient number, since it is larger than the sum of its proper divisors (61053266067).

144453101421 is a wasteful number, since it uses less digits than its factorization.

144453101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54761.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 144453101421 its reverse (124101354441), we get a palindrome (268554455862).

The spelling of 144453101421 in words is "one hundred forty-four billion, four hundred fifty-three million, one hundred one thousand, four hundred twenty-one".