144464145 has 32 divisors (see below), whose sum is σ = 264625920. Its totient is φ = 65925120.

The previous prime is 144464143. The next prime is 144464209. The reversal of 144464145 is 541464441.

It is not a de Polignac number, because 144464145 - 2¹ = 144464143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144464141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96805 + ... + 98285.

It is an arithmetic number, because the mean of its divisors is an integer number (8269560).

Almost surely, 2^144464145 is an apocalyptic number.

144464145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144464145 is a deficient number, since it is larger than the sum of its proper divisors (120161775).

144464145 is a wasteful number, since it uses less digits than its factorization.

144464145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its digits is 30720, while the sum is 33.

The square root of 144464145 is about 12019.3238162552. The cubic root of 144464145 is about 524.7108248757.

The spelling of 144464145 in words is "one hundred forty-four million, four hundred sixty-four thousand, one hundred forty-five".