144581087971 has 2 divisors, whose sum is σ = 144581087972. Its totient is φ = 144581087970.

The previous prime is 144581087933. The next prime is 144581087983. The reversal of 144581087971 is 179780185441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (179780185441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144581087971 - 2⁹ = 144581087459 is a prime.

It is not a weakly prime, because it can be changed into another prime (144581087471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72290543985 + 72290543986.

It is an arithmetic number, because the mean of its divisors is an integer number (72290543986).

Almost surely, 2^144581087971 is an apocalyptic number.

144581087971 is a deficient number, since it is larger than the sum of its proper divisors (1).

144581087971 is an equidigital number, since it uses as much as digits as its factorization.

144581087971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 55.

The spelling of 144581087971 in words is "one hundred forty-four billion, five hundred eighty-one million, eighty-seven thousand, nine hundred seventy-one".