144295253 has 4 divisors (see below), whose sum is σ = 151889760. Its totient is φ = 136700748.

The previous prime is 144295247. The next prime is 144295259. The reversal of 144295253 is 352592441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352592441 = 11807 ⋅29863.

It is an interprime number because it is at equal distance from previous prime (144295247) and next prime (144295259).

It is a cyclic number.

It is not a de Polignac number, because 144295253 - 2¹⁰ = 144294229 is a prime.

It is a super-2 number, since 2×144295253² = 41642240076668018, 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 (144295259) 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 3 ways as a sum of consecutive naturals, for example, 3797225 + ... + 3797262.

It is an arithmetic number, because the mean of its divisors is an integer number (37972440).

Almost surely, 2^144295253 is an apocalyptic number.

It is an amenable number.

144295253 is a deficient number, since it is larger than the sum of its proper divisors (7594507).

144295253 is an equidigital number, since it uses as much as digits as its factorization.

144295253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594506.

The product of its digits is 43200, while the sum is 35.

The square root of 144295253 is about 12012.2959087761. The cubic root of 144295253 is about 524.5062665800.

The spelling of 144295253 in words is "one hundred forty-four million, two hundred ninety-five thousand, two hundred fifty-three".