144342553 has 4 divisors (see below), whose sum is σ = 144891648. Its totient is φ = 143793460.

The previous prime is 144342551. The next prime is 144342581. The reversal of 144342553 is 355243441.

144342553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144342553 - 2¹ = 144342551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144342551) 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, 274153 + ... + 274678.

It is an arithmetic number, because the mean of its divisors is an integer number (36222912).

Almost surely, 2^144342553 is an apocalyptic number.

It is an amenable number.

144342553 is a deficient number, since it is larger than the sum of its proper divisors (549095).

144342553 is an equidigital number, since it uses as much as digits as its factorization.

144342553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549094.

The product of its digits is 28800, while the sum is 31.

The square root of 144342553 is about 12014.2645634263. The cubic root of 144342553 is about 524.5635713899.

Adding to 144342553 its reverse (355243441), we get a palindrome (499585994).

The spelling of 144342553 in words is "one hundred forty-four million, three hundred forty-two thousand, five hundred fifty-three".