144464 has 10 divisors (see below), whose sum is σ = 279930. Its totient is φ = 72224.

The previous prime is 144461. The next prime is 144479. The reversal of 144464 is 464441.

It can be written as a sum of positive squares in only one way, i.e., 144400 + 64 = 380^2 + 8^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (27993).

2¹⁴⁴⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

144464 is a deficient number, since it is larger than the sum of its proper divisors (135466).

144464 is an equidigital number, since it uses as much as digits as its factorization.

144464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037 (or 9031 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 144464 is about 380.0842011976. The cubic root of 144464 is about 52.4710649323.

Subtracting from 144464 its sum of digits (23), we obtain a palindrome (144441).

It can be divided in two parts, 1444 and 64, that multiplied together give a square (92416 = 304²).

The spelling of 144464 in words is "one hundred forty-four thousand, four hundred sixty-four".