144553 has 4 divisors (see below), whose sum is σ = 149248. Its totient is φ = 139860.

The previous prime is 144541. The next prime is 144563. The reversal of 144553 is 355441.

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 144553 - 2¹³ = 136361 is a prime.

It is a Duffinian number.

144553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (144563) 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, 2301 + ... + 2362.

It is an arithmetic number, because the mean of its divisors is an integer number (37312).

2¹⁴⁴⁵⁵³ is an apocalyptic number.

It is an amenable number.

144553 is a deficient number, since it is larger than the sum of its proper divisors (4695).

144553 is an equidigital number, since it uses as much as digits as its factorization.

144553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694.

The product of its digits is 1200, while the sum is 22.

The square root of 144553 is about 380.2012624913. The cubic root of 144553 is about 52.4818380110.

Adding to 144553 its reverse (355441), we get a palindrome (499994).

It can be divided in two parts, 14455 and 3, that multiplied together give a triangular number (43365 = T₂₉₄).

The spelling of 144553 in words is "one hundred forty-four thousand, five hundred fifty-three".