144733 has 4 divisors (see below), whose sum is σ = 146268. Its totient is φ = 143200.

The previous prime is 144731. The next prime is 144737. The reversal of 144733 is 337441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131044 + 13689 = 362^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 144733 - 2¹ = 144731 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (36567).

2¹⁴⁴⁷³³ is an apocalyptic number.

It is an amenable number.

144733 is a deficient number, since it is larger than the sum of its proper divisors (1535).

144733 is a wasteful number, since it uses less digits than its factorization.

144733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its digits is 1008, while the sum is 22.

The square root of 144733 is about 380.4379055772. The cubic root of 144733 is about 52.5036127521.

The spelling of 144733 in words is "one hundred forty-four thousand, seven hundred thirty-three".