144225045 has 24 divisors (see below), whose sum is σ = 254093112. Its totient is φ = 75657600.

The previous prime is 144225043. The next prime is 144225049. The reversal of 144225045 is 540522441.

It can be written as a sum of positive squares in 4 ways, for example, as 18740241 + 125484804 = 4329^2 + 11202^2 .

It is not a de Polignac number, because 144225045 - 2¹ = 144225043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144225043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23526 + ... + 29015.

It is an arithmetic number, because the mean of its divisors is an integer number (10587213).

Almost surely, 2^144225045 is an apocalyptic number.

144225045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144225045 is a deficient number, since it is larger than the sum of its proper divisors (109868067).

144225045 is a wasteful number, since it uses less digits than its factorization.

144225045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52613 (or 52610 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 144225045 is about 12009.3732142856. The cubic root of 144225045 is about 524.4211852180.

Adding to 144225045 its reverse (540522441), we get a palindrome (684747486).

The spelling of 144225045 in words is "one hundred forty-four million, two hundred twenty-five thousand, forty-five".