144510021 has 16 divisors (see below), whose sum is σ = 215057920. Its totient is φ = 95904000.

The previous prime is 144510017. The next prime is 144510043. The reversal of 144510021 is 120015441.

It is not a de Polignac number, because 144510021 - 2² = 144510017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144509976 and 144510003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144510011) 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 15 ways as a sum of consecutive naturals, for example, 5980 + ... + 18021.

It is an arithmetic number, because the mean of its divisors is an integer number (13441120).

Almost surely, 2^144510021 is an apocalyptic number.

It is an amenable number.

144510021 is a deficient number, since it is larger than the sum of its proper divisors (70547899).

144510021 is a wasteful number, since it uses less digits than its factorization.

144510021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24233 (or 24227 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 144510021 is about 12021.2320915953. The cubic root of 144510021 is about 524.7663613463.

Adding to 144510021 its reverse (120015441), we get a palindrome (264525462).

The spelling of 144510021 in words is "one hundred forty-four million, five hundred ten thousand, twenty-one".