144032021 has 12 divisors (see below), whose sum is σ = 168400800. Its totient is φ = 122827320.

The previous prime is 144031981. The next prime is 144032023. The reversal of 144032021 is 120230441.

It is not a de Polignac number, because 144032021 - 2¹⁸ = 143769877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144032023) 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 11 ways as a sum of consecutive naturals, for example, 2366 + ... + 17136.

It is an arithmetic number, because the mean of its divisors is an integer number (14033400).

Almost surely, 2^144032021 is an apocalyptic number.

It is an amenable number.

144032021 is a deficient number, since it is larger than the sum of its proper divisors (24368779).

144032021 is a wasteful number, since it uses less digits than its factorization.

144032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14984 (or 14977 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144032021 is about 12001.3341341703. The cubic root of 144032021 is about 524.1871272402.

Adding to 144032021 its reverse (120230441), we get a palindrome (264262462).

The spelling of 144032021 in words is "one hundred forty-four million, thirty-two thousand, twenty-one".