144533113453 has 4 divisors (see below), whose sum is σ = 150817161888. Its totient is φ = 138249065020.

The previous prime is 144533113421. The next prime is 144533113507. The reversal of 144533113453 is 354311335441.

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 144533113453 - 2⁵ = 144533113421 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 (144533110453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3142024183 + ... + 3142024228.

It is an arithmetic number, because the mean of its divisors is an integer number (37704290472).

Almost surely, 2^144533113453 is an apocalyptic number.

It is an amenable number.

144533113453 is a deficient number, since it is larger than the sum of its proper divisors (6284048435).

144533113453 is an equidigital number, since it uses as much as digits as its factorization.

144533113453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284048434.

The product of its digits is 129600, while the sum is 37.

Adding to 144533113453 its reverse (354311335441), we get a palindrome (498844448894).

The spelling of 144533113453 in words is "one hundred forty-four billion, five hundred thirty-three million, one hundred thirteen thousand, four hundred fifty-three".