144102120231 has 16 divisors (see below), whose sum is σ = 194988006144. Its totient is φ = 94645128384.

The previous prime is 144102120229. The next prime is 144102120247. The reversal of 144102120231 is 132021201441.

It is not a de Polignac number, because 144102120231 - 2¹ = 144102120229 is a prime.

It is a super-2 number, since 2×144102120231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144102120198 and 144102120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144102190231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176661 + ... + 565166.

It is an arithmetic number, because the mean of its divisors is an integer number (12186750384).

Almost surely, 2^144102120231 is an apocalyptic number.

144102120231 is a deficient number, since it is larger than the sum of its proper divisors (50885885913).

144102120231 is an equidigital number, since it uses as much as digits as its factorization.

144102120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742790.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 144102120231 its reverse (132021201441), we get a palindrome (276123321672).

The spelling of 144102120231 in words is "one hundred forty-four billion, one hundred two million, one hundred twenty thousand, two hundred thirty-one".