144245135 has 4 divisors (see below), whose sum is σ = 173094168. Its totient is φ = 115396104.

The previous prime is 144245117. The next prime is 144245137. The reversal of 144245135 is 531542441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144245135 - 2⁸ = 144244879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144245098 and 144245107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144245137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14424509 + ... + 14424518.

It is an arithmetic number, because the mean of its divisors is an integer number (43273542).

Almost surely, 2^144245135 is an apocalyptic number.

144245135 is a deficient number, since it is larger than the sum of its proper divisors (28849033).

144245135 is an equidigital number, since it uses as much as digits as its factorization.

144245135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28849032.

The product of its digits is 9600, while the sum is 29.

The square root of 144245135 is about 12010.2096151566. The cubic root of 144245135 is about 524.4455340460.

Adding to 144245135 its reverse (531542441), we get a palindrome (675787576).

The spelling of 144245135 in words is "one hundred forty-four million, two hundred forty-five thousand, one hundred thirty-five".