145256055647 has 2 divisors, whose sum is σ = 145256055648. Its totient is φ = 145256055646.

The previous prime is 145256055643. The next prime is 145256055661. The reversal of 145256055647 is 746550652541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145256055647 - 2² = 145256055643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145256055595 and 145256055604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145256055643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72628027823 + 72628027824.

It is an arithmetic number, because the mean of its divisors is an integer number (72628027824).

Almost surely, 2^145256055647 is an apocalyptic number.

145256055647 is a deficient number, since it is larger than the sum of its proper divisors (1).

145256055647 is an equidigital number, since it uses as much as digits as its factorization.

145256055647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 145256055647 in words is "one hundred forty-five billion, two hundred fifty-six million, fifty-five thousand, six hundred forty-seven".