144225251 has 4 divisors (see below), whose sum is σ = 144596400. Its totient is φ = 143854104.

The previous prime is 144225239. The next prime is 144225269. The reversal of 144225251 is 152522441.

144225251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152522441 = 2003 ⋅76147.

It is a cyclic number.

It is not a de Polignac number, because 144225251 - 2²⁶ = 77116387 is a prime.

It is a super-3 number, since 3×144225251³ (a number of 25 digits) contains 333 as substring.

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 144225251.

It is not an unprimeable number, because it can be changed into a prime (144225271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184991 + ... + 185768.

It is an arithmetic number, because the mean of its divisors is an integer number (36149100).

Almost surely, 2^144225251 is an apocalyptic number.

144225251 is a deficient number, since it is larger than the sum of its proper divisors (371149).

144225251 is an equidigital number, since it uses as much as digits as its factorization.

144225251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371148.

The product of its digits is 3200, while the sum is 26.

The square root of 144225251 is about 12009.3817909166. The cubic root of 144225251 is about 524.4214348988.

Adding to 144225251 its reverse (152522441), we get a palindrome (296747692).

The spelling of 144225251 in words is "one hundred forty-four million, two hundred twenty-five thousand, two hundred fifty-one".