144123345131 has 4 divisors (see below), whose sum is σ = 150389577552. Its totient is φ = 137857112712.

The previous prime is 144123345071. The next prime is 144123345133. The reversal of 144123345131 is 131543321441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144123345131 is a prime.

It is a super-2 number, since 2×144123345131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144123345133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3133116176 + ... + 3133116221.

It is an arithmetic number, because the mean of its divisors is an integer number (37597394388).

Almost surely, 2^144123345131 is an apocalyptic number.

144123345131 is a deficient number, since it is larger than the sum of its proper divisors (6266232421).

144123345131 is an equidigital number, since it uses as much as digits as its factorization.

144123345131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266232420.

The product of its digits is 17280, while the sum is 32.

Adding to 144123345131 its reverse (131543321441), we get a palindrome (275666666572).

The spelling of 144123345131 in words is "one hundred forty-four billion, one hundred twenty-three million, three hundred forty-five thousand, one hundred thirty-one".