144732489553 has 4 divisors (see below), whose sum is σ = 145135644480. Its totient is φ = 144329334628.

The previous prime is 144732489541. The next prime is 144732489557. The reversal of 144732489553 is 355984237441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 355984237441 = 7 ⋅50854891063.

It is a cyclic number.

It is not a de Polignac number, because 144732489553 - 2¹⁷ = 144732358481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144732489494 and 144732489503.

It is not an unprimeable number, because it can be changed into a prime (144732489557) 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, 201576925 + ... + 201577642.

It is an arithmetic number, because the mean of its divisors is an integer number (36283911120).

Almost surely, 2^144732489553 is an apocalyptic number.

It is an amenable number.

144732489553 is a deficient number, since it is larger than the sum of its proper divisors (403154927).

144732489553 is an equidigital number, since it uses as much as digits as its factorization.

144732489553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403154926.

The product of its digits is 14515200, while the sum is 55.

The spelling of 144732489553 in words is "one hundred forty-four billion, seven hundred thirty-two million, four hundred eighty-nine thousand, five hundred fifty-three".