144015643487 has 2 divisors, whose sum is σ = 144015643488. Its totient is φ = 144015643486.

The previous prime is 144015643481. The next prime is 144015643579. The reversal of 144015643487 is 784346510441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144015643487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144015643481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72007821743 + 72007821744.

It is an arithmetic number, because the mean of its divisors is an integer number (72007821744).

Almost surely, 2^144015643487 is an apocalyptic number.

144015643487 is a deficient number, since it is larger than the sum of its proper divisors (1).

144015643487 is an equidigital number, since it uses as much as digits as its factorization.

144015643487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 144015643487 in words is "one hundred forty-four billion, fifteen million, six hundred forty-three thousand, four hundred eighty-seven".