144245333 has 8 divisors (see below), whose sum is σ = 149377080. Its totient is φ = 139124160.

The previous prime is 144245329. The next prime is 144245347. The reversal of 144245333 is 333542441.

It can be written as a sum of positive squares in 4 ways, for example, as 10195249 + 134050084 = 3193^2 + 11578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144245333 - 2² = 144245329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144245296 and 144245305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144245393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33863 + ... + 37883.

It is an arithmetic number, because the mean of its divisors is an integer number (18672135).

Almost surely, 2^144245333 is an apocalyptic number.

It is an amenable number.

144245333 is a deficient number, since it is larger than the sum of its proper divisors (5131747).

144245333 is a wasteful number, since it uses less digits than its factorization.

144245333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287.

The product of its digits is 17280, while the sum is 29.

The square root of 144245333 is about 12010.2178581406. The cubic root of 144245333 is about 524.4457740083.

Adding to 144245333 its reverse (333542441), we get a palindrome (477787774).

The spelling of 144245333 in words is "one hundred forty-four million, two hundred forty-five thousand, three hundred thirty-three".