144032402 has 8 divisors (see below), whose sum is σ = 216438156. Its totient is φ = 71886352.

The previous prime is 144032401. The next prime is 144032411. The reversal of 144032402 is 204230441.

It can be written as a sum of positive squares in 2 ways, for example, as 131079601 + 12952801 = 11449^2 + 3599^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144032401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63533 + ... + 65760.

Almost surely, 2^144032402 is an apocalyptic number.

144032402 is a deficient number, since it is larger than the sum of its proper divisors (72405754).

144032402 is a wasteful number, since it uses less digits than its factorization.

144032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129852.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144032402 is about 12001.3500073950. The cubic root of 144032402 is about 524.1875894410.

Adding to 144032402 its reverse (204230441), we get a palindrome (348262843).

The spelling of 144032402 in words is "one hundred forty-four million, thirty-two thousand, four hundred two".