144010021 has 8 divisors (see below), whose sum is σ = 147248640. Its totient is φ = 140778768.

The previous prime is 144010007. The next prime is 144010033. The reversal of 144010021 is 120010441.

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

It is a cyclic number.

It is not a de Polignac number, because 144010021 - 2⁷ = 144009893 is a prime.

It is a super-2 number, since 2×144010021² = 41477772296840882, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 144009983 and 144010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144010051) 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 7 ways as a sum of consecutive naturals, for example, 61215 + ... + 63523.

It is an arithmetic number, because the mean of its divisors is an integer number (18406080).

Almost surely, 2^144010021 is an apocalyptic number.

It is an amenable number.

144010021 is a deficient number, since it is larger than the sum of its proper divisors (3238619).

144010021 is a wasteful number, since it uses less digits than its factorization.

144010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 144010021 is about 12000.4175344027. The cubic root of 144010021 is about 524.1604371012.

Adding to 144010021 its reverse (120010441), we get a palindrome (264020462).

The spelling of 144010021 in words is "one hundred forty-four million, ten thousand, twenty-one".