144355411531 has 2 divisors, whose sum is σ = 144355411532. Its totient is φ = 144355411530.

The previous prime is 144355411523. The next prime is 144355411537. The reversal of 144355411531 is 135114553441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144355411531 - 2³ = 144355411523 is a prime.

It is a super-2 number, since 2×144355411531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144355411537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72177705765 + 72177705766.

It is an arithmetic number, because the mean of its divisors is an integer number (72177705766).

Almost surely, 2^144355411531 is an apocalyptic number.

144355411531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144355411531 is an equidigital number, since it uses as much as digits as its factorization.

144355411531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

Adding to 144355411531 its reverse (135114553441), we get a palindrome (279469964972).

The spelling of 144355411531 in words is "one hundred forty-four billion, three hundred fifty-five million, four hundred eleven thousand, five hundred thirty-one".