144332145 has 16 divisors (see below), whose sum is σ = 256590720. Its totient is φ = 76977072.

The previous prime is 144332143. The next prime is 144332171. The reversal of 144332145 is 541233441.

It is a happy number.

144332145 is a `hidden beast` number, since 1 + 443 + 3 + 214 + 5 = 666.

It is not a de Polignac number, because 144332145 - 2¹ = 144332143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144332143) 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 15 ways as a sum of consecutive naturals, for example, 534429 + ... + 534698.

It is an arithmetic number, because the mean of its divisors is an integer number (16036920).

Almost surely, 2^144332145 is an apocalyptic number.

144332145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144332145 is a deficient number, since it is larger than the sum of its proper divisors (112258575).

144332145 is a wasteful number, since it uses less digits than its factorization.

144332145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069141 (or 1069135 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144332145 is about 12013.8314038445. The cubic root of 144332145 is about 524.5509629830.

Adding to 144332145 its reverse (541233441), we get a palindrome (685565586).

The spelling of 144332145 in words is "one hundred forty-four million, three hundred thirty-two thousand, one hundred forty-five".