144543516631 has 2 divisors, whose sum is σ = 144543516632. Its totient is φ = 144543516630.

The previous prime is 144543516619. The next prime is 144543516701. The reversal of 144543516631 is 136615345441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144543516631 - 2²⁷ = 144409298903 is a prime.

It is a super-2 number, since 2×144543516631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144543511631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72271758315 + 72271758316.

It is an arithmetic number, because the mean of its divisors is an integer number (72271758316).

Almost surely, 2^144543516631 is an apocalyptic number.

144543516631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144543516631 is an equidigital number, since it uses as much as digits as its factorization.

144543516631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 43.

The spelling of 144543516631 in words is "one hundred forty-four billion, five hundred forty-three million, five hundred sixteen thousand, six hundred thirty-one".