144304220531 has 4 divisors (see below), whose sum is σ = 144518640552. Its totient is φ = 144089800512.

The previous prime is 144304220527. The next prime is 144304220551. The reversal of 144304220531 is 135022403441.

144304220531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135022403441 = 9649 ⋅13993409.

It is a cyclic number.

It is not a de Polignac number, because 144304220531 - 2² = 144304220527 is a prime.

It is a super-2 number, since 2×144304220531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144304220494 and 144304220503.

It is not an unprimeable number, because it can be changed into a prime (144304220551) 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, 107209001 + ... + 107210346.

It is an arithmetic number, because the mean of its divisors is an integer number (36129660138).

Almost surely, 2^144304220531 is an apocalyptic number.

144304220531 is a deficient number, since it is larger than the sum of its proper divisors (214420021).

144304220531 is an equidigital number, since it uses as much as digits as its factorization.

144304220531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214420020.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 144304220531 its reverse (135022403441), we get a palindrome (279326623972).

The spelling of 144304220531 in words is "one hundred forty-four billion, three hundred four million, two hundred twenty thousand, five hundred thirty-one".