144104411431021 has 4 divisors (see below), whose sum is σ = 147170462738112. Its totient is φ = 141038360123932.

The previous prime is 144104411431003. The next prime is 144104411431129. The reversal of 144104411431021 is 120134114401441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144104411431021 - 2¹⁷ = 144104411299949 is a prime.

It is a super-2 number, since 2×144104411431021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144104411431921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533025653475 + ... + 1533025653568.

It is an arithmetic number, because the mean of its divisors is an integer number (36792615684528).

Almost surely, 2^{144104411431021} is an apocalyptic number.

It is an amenable number.

144104411431021 is a deficient number, since it is larger than the sum of its proper divisors (3066051307091).

144104411431021 is an equidigital number, since it uses as much as digits as its factorization.

144104411431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066051307090.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 144104411431021 its reverse (120134114401441), we get a palindrome (264238525832462).

The spelling of 144104411431021 in words is "one hundred forty-four trillion, one hundred four billion, four hundred eleven million, four hundred thirty-one thousand, twenty-one".