144542253 has 8 divisors (see below), whose sum is σ = 202866400. Its totient is φ = 91289808.

The previous prime is 144542191. The next prime is 144542273. The reversal of 144542253 is 352245441.

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

It is not a de Polignac number, because 144542253 - 2⁸ = 144541997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144542253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144542273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267858 + ... + 1267971.

It is an arithmetic number, because the mean of its divisors is an integer number (25358300).

Almost surely, 2^144542253 is an apocalyptic number.

It is an amenable number.

144542253 is a deficient number, since it is larger than the sum of its proper divisors (58324147).

144542253 is a wasteful number, since it uses less digits than its factorization.

144542253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535851.

The product of its digits is 19200, while the sum is 30.

The square root of 144542253 is about 12022.5726448211. The cubic root of 144542253 is about 524.8053736626.

Adding to 144542253 its reverse (352245441), we get a palindrome (496787694).

The spelling of 144542253 in words is "one hundred forty-four million, five hundred forty-two thousand, two hundred fifty-three".