144441460 has 24 divisors (see below), whose sum is σ = 313787880. Its totient is φ = 55784064.

The previous prime is 144441443. The next prime is 144441463. The reversal of 144441460 is 64144441.

It can be written as a sum of positive squares in 4 ways, for example, as 62031376 + 82410084 = 7876^2 + 9078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144441463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123939 + ... + 125098.

It is an arithmetic number, because the mean of its divisors is an integer number (13074495).

Almost surely, 2^144441460 is an apocalyptic number.

144441460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144441460 is an abundant number, since it is smaller than the sum of its proper divisors (169346420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144441460 is a wasteful number, since it uses less digits than its factorization.

144441460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249075 (or 249073 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 144441460 is about 12018.3800905114. The cubic root of 144441460 is about 524.6833585722.

The spelling of 144441460 in words is "one hundred forty-four million, four hundred forty-one thousand, four hundred sixty".