144304002 has 24 divisors (see below), whose sum is σ = 313511484. Its totient is φ = 47970144.

The previous prime is 144303961. The next prime is 144304009. The reversal of 144304002 is 200403441.

It can be written as a sum of positive squares in 2 ways, for example, as 137381841 + 6922161 = 11721^2 + 2631^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (144304009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4033 + ... + 17460.

Almost surely, 2^144304002 is an apocalyptic number.

144304002 is an abundant number, since it is smaller than the sum of its proper divisors (169207482).

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

144304002 is a wasteful number, since it uses less digits than its factorization.

144304002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21874 (or 21871 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144304002 is about 12012.6600717743. The cubic root of 144304002 is about 524.5168670964.

Adding to 144304002 its reverse (200403441), we get a palindrome (344707443).

The spelling of 144304002 in words is "one hundred forty-four million, three hundred four thousand, two".