144618434453 has 4 divisors (see below), whose sum is σ = 144646428480. Its totient is φ = 144590440428.

The previous prime is 144618434423. The next prime is 144618434497. The reversal of 144618434453 is 354434816441.

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 144618434453 - 2⁸ = 144618434197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144618434398 and 144618434407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144618434413) 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, 13989263 + ... + 13999596.

It is an arithmetic number, because the mean of its divisors is an integer number (36161607120).

Almost surely, 2^144618434453 is an apocalyptic number.

It is an amenable number.

144618434453 is a deficient number, since it is larger than the sum of its proper divisors (27994027).

144618434453 is an equidigital number, since it uses as much as digits as its factorization.

144618434453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27994026.

The product of its digits is 2211840, while the sum is 47.

The spelling of 144618434453 in words is "one hundred forty-four billion, six hundred eighteen million, four hundred thirty-four thousand, four hundred fifty-three".