144343145 has 4 divisors (see below), whose sum is σ = 173211780. Its totient is φ = 115474512.

The previous prime is 144343139. The next prime is 144343151. The reversal of 144343145 is 541343441.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (144343139) and next prime (144343151).

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 94400656 = 7067^2 + 9716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144343145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14434310 + ... + 14434319.

It is an arithmetic number, because the mean of its divisors is an integer number (43302945).

Almost surely, 2^144343145 is an apocalyptic number.

It is an amenable number.

144343145 is a deficient number, since it is larger than the sum of its proper divisors (28868635).

144343145 is an equidigital number, since it uses as much as digits as its factorization.

144343145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28868634.

The product of its digits is 11520, while the sum is 29.

The square root of 144343145 is about 12014.2892007809. The cubic root of 144343145 is about 524.5642885293.

Adding to 144343145 its reverse (541343441), we get a palindrome (685686586).

The spelling of 144343145 in words is "one hundred forty-four million, three hundred forty-three thousand, one hundred forty-five".