144002 has 8 divisors (see below), whose sum is σ = 218700. Its totient is φ = 71104.

The previous prime is 143999. The next prime is 144013. The reversal of 144002 is 200441.

It can be written as a sum of positive squares in 2 ways, for example, as 143641 + 361 = 379^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144002.

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, 227 + ... + 582.

2¹⁴⁴⁰⁰² is an apocalyptic number.

144002 is a deficient number, since it is larger than the sum of its proper divisors (74698).

144002 is an equidigital number, since it uses as much as digits as its factorization.

144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 144002 is about 379.4759544424. The cubic root of 144002 is about 52.4150705443.

Multiplying 144002 by its product of nonzero digits (32), we get a palindrome (4608064).

Adding to 144002 its reverse (200441), we get a palindrome (344443).

The spelling of 144002 in words is "one hundred forty-four thousand, two", and thus it is an iban number.