144724 has 12 divisors (see below), whose sum is σ = 256564. Its totient is φ = 71424.

The previous prime is 144719. The next prime is 144731. The reversal of 144724 is 427441.

144724 = T₂₆₇ + T₂₆₈ + ... + T₂₇₀.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 72900 = 268^2 + 270^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144695 and 144704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202 + ... + 574.

2¹⁴⁴⁷²⁴ is an apocalyptic number.

It is an amenable number.

144724 is a deficient number, since it is larger than the sum of its proper divisors (111840).

144724 is a wasteful number, since it uses less digits than its factorization.

144724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 472 counting only the distinct ones).

The product of its digits is 896, while the sum is 22.

The square root of 144724 is about 380.4260769190. The cubic root of 144724 is about 52.5025244440.

It can be divided in two parts, 144 and 724, that added together give a palindrome (868).

The spelling of 144724 in words is "one hundred forty-four thousand, seven hundred twenty-four", and thus it is an iban number.