144342253 has 8 divisors (see below), whose sum is σ = 157974336. Its totient is φ = 130795200.

The previous prime is 144342239. The next prime is 144342277. The reversal of 144342253 is 352243441.

It is a happy number.

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 144342253 - 2⁹ = 144341741 is a prime.

It is a super-2 number, since 2×144342253² = 41669372002232018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144342353) 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, 17676 + ... + 24517.

It is an arithmetic number, because the mean of its divisors is an integer number (19746792).

Almost surely, 2^144342253 is an apocalyptic number.

It is an amenable number.

144342253 is a deficient number, since it is larger than the sum of its proper divisors (13632083).

144342253 is a wasteful number, since it uses less digits than its factorization.

144342253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42515.

The product of its digits is 11520, while the sum is 28.

The square root of 144342253 is about 12014.2520782611. The cubic root of 144342253 is about 524.5632079739.

Adding to 144342253 its reverse (352243441), we get a palindrome (496585694).

The spelling of 144342253 in words is "one hundred forty-four million, three hundred forty-two thousand, two hundred fifty-three".